Research

Biosketch

Kim Mathiasen has a PhD in psychology and is a licensed clinical psychologist. He is presently employed as Associate Professor at Aarhus University and at the University of Southern Denmark.. Since 2006, he has pioneered Internet-based cognitive behavioural therapy (iCBT) in Denmark. From 2012 he led the establishment of the first Danish large scale iCBT clinic Internetpsykiatrien at the Centre for Digital Psychiatry, which now has national coverage free of charge for all Danish adults suffering from depression or anxiety disorders. He has contributed to several large-scale EU projects the latest as the Coordinator of ImpleMentAll and is part of the board for the European Society of Internet Interventions. 

Curriculum Vitae Kim Mathiasen

Kim Mathiasen holds a PhD in e-mental health and is a licensed clinical psychologist. He is presently employed as Associate Professor at the Research unit for Digital Psychiatry, Dept. Clinical Research, University of Southern Denmark, and at the Centre for Digital Psychiatry in the Mental Health Services of Southern Denmark. Since 2006, he has pioneered Internet-based cognitive behavioural therapy (iCBT) in Denmark. From 2012 he led the establishment of the first Danish large scale iCBT clinic Internetpsykiatrien, which now has national coverage free of charge for all Danish adults suffering from Depression or anxiety disorders. He has contributed to several large-scale EU projects, latest as project coordinator of ImpleMentAll (implementall.eu), and is part of the board for the European Society of Internet Interventions.

H-index: 10 (Scopus), citations: 472.

Personal Details

Position: Associate Professor, Aarhus University and associate professor, University of Southern Denmark

E-mail: kmathiasen@health.sdu.dk

Phone: +45 6167 7747

Educational background

2019 PhD, University of Southern Denmark

2017 Research stay with Prof. Dr. Heleen Riper, Dept. Clinical Psychology, Vrije Universiteit Amsterdam, the Netherlands.

2011 National authorization as clinical psychologist in Denmark, Ministry of Health, Denmark

2007 2-year CBT education. NFKT (Norwegian association for CBT)

2004 Licensed as clinical psychologist in Norway, Ministry of Health, Norway

2004 MSc in Psychology, Aarhus University

2002 Bachelor in Psychology, Aarhus University

Professional Experience

2025 - Board of directors of the International Society for Research on Internet Interventions (isrii.org).

2024 - Associate Professor, Department of Psychology and Behavioural Sciences, Aarhus University, Denmark.

2024 - Editor for the scientific journal Internet Interventions. (https://www.sciencedirect.com/journal/internet-interventions). JIF 4.1.

2023 - 2024 Head of research, Research Unit for Digital Psychiatry, Dept. of Clinical Research, University of Southern Denmark AND Centre for Digital Psychiatry, Mental Health Services of Southern Denmark

2023 - Lead Psychologist and Content Manager, Monsenso

2022 - Associate Professor, Research Unit for Digital Psychiatry, Dept. of Clinical Research, University of Southern Denmark AND Centre for Digital Psychiatry, Mental Health Services of Southern Denmark

2021 - 2022 Assistant Professor, Research Unit for Digital Psychiatry, Dept. of Clinical Research, University of Southern Denmark AND Centre for Digital Psychiatry, Mental Health Services of Southern Denmark.

2019 - 2020 Research Psychologist at Research Unit for Affective Disorders, Aarhus University Hospital.

2012 – 2015 Project Leader for ‘Internetpsykiatrien’, Region of Southern Denmark.

2011 – 2012  Research position at Clinic for OCD and Anxiety Disorders, Aarhus University Hospital.

2006 – 2012 Clinical Psychologist at Student Counseling Service, Aarhus, Denmark.

2006 – 2010 Co-founder of ‘Godstart.nu’, development of the first ccbt programs in Denmark.

2005 – 2006  Consultant at ‘Senter for Traumepsykologi’, Hamar, Norway.

2004 – 2006  Clinical Psychologist at Poliklinikk, Psychiatric Hospital, Hamar, Norway.

Projects

2023- EU project ReConnected. Task Lead.

2023 - PERSONAE | personalised digital treatment of depression. Principal Investigator.

2023 - Task leader for the Danish RCT and an international cohort study.

2022 - CoolMinds project. RCT of ICBT for youth at the age range of 12-17 year old in the Region of Southern Denmark. Principal investigator.

2020 - 2021 EU-project ImpleMentAll. Overall project coordinator (one-point of contact for the EU-commission). Evidence-based implementation of iCBT.

2017 - 2018  EU-project: ImpleMentAll. Leader of the Danish trial. Evidence-based implementation of iCBT.

2013 - 2017  EU-project E-Compared www.e-compared.eu. Leader of the Danish trial. Randomised non-inferiority trial comparing blended care to treatment as usual.

2015 - 2020  ENTER. Multiple research studies on e-mental health solutions. Leader Blended Care trial.

2014 - 2017 EU-project MasterMind http://mastermind-project.eu. Leader of the Danish trial. Upscaling and implementation of iCBT and cCBT.

2012 – 2015 Internet Psychiatry. Project Leader

2010 - 2012  FearFighter project. Randomised, controlled trial of iCBT vs. wait list.

Grants

2023 PERSONAE | personalised digital treatment of depression. Principal Investigator and main applicant. 16.5 mio DKK.

2022 EU project ReConnected - A complex systems approach towards REsilient and CONNECTED vulnerable European communities in times of change. Task Lead. Danish partner budget 575.250 €

2022 Enhancing stepped care for treatment of postpartum depression through Internet-based cognitive thearpy (iPPD). Randomised controlled trial 3.327.050 DKK.

2022 EUopSTART funding for writing EU-proposals. Danish Agency for Higher Education and Science. 35.000 DKK.

2021 Yearly grant of 2.5 mio DKK for development, research, and implementation of iCBT for youth in the Region of Southern Denmark,

2019 Region Midtjyllands Sundhedsvidenskabelige Forskningsfond 457.408 DKK

2019 Sundhedsinnovationspuljen 94.500 DKK

2016 EU project ImpleMentAll. Danish trial. 290.000 €

2015 Innovationsfonden: ENTER project. First round. 19 mio DKK

2015 EU project: MasterMind, Danish Trial 617.900 DKK

2014 Psykiatriens forskningsfond Region Syddanmark 677.960 DKK

Awards

2017 Research Talent of the Year, Mental Health Services of Southern Denmark

2016 ISRII Throwdown. Team based competition to propose the best e-health application, International Society of Research on Internet Interventions (ISRII).

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Other Relevant Merits

2023 Member of the scientific committee, European Society for Research on Internet Interventions 7th conference in Amsterdam.

2021 Co-author of the Danish clinical guidelines for adult anxiety treatment.

2019 - Member of the board of the European Society of Research on Internet Interventions.

2019 Head of Scientific Committee, European Society for Research on Internet Interventions' 6th conference in Copenhagen.

2016 Co-author of the guidelines for online psychological services, Danish Psychological Association.

2015 - 2018 Member of the Online Committe, Danish Psychological Association.

2012 Member of International Advisory Board for ccbt, Haukeland University Hospital, Norway.

Journal Articles (Peer Reviewed) (JIF: WoS pr. publication year or nearest)

In writing

  1. Current landscape of digital mental health interventions for child, adolescent and young adulthood anxiety and depression: a scoping review.
    Skaarnes, H., Sørensen, N. M., Jeppesen, J. L., Andrén, P., McLellan, L. F., Thastum, M., & Mathiasen, K.

  2. Communicative spaces in written therapist guidance: an exploration of therapist behaviours and interactions in in-ternet-based CBT for adolescents.
    Sørensen, N. M., Grønning, A., Mathiasen, K.

  3. Update of Commission on psychological treatments research in tomorrow's science.
    Mathiasen, K., Holmes, E. A., Ghaderi, A., Harmer, C. J., Ramchandani, P. G., Cuijpers, P., Morrison, A. P., Roiser, J. P., O'Connor, R. C., Shafran, R., Moulds, M. L., Craske, M. G., Bockting, C. L. H. The Lancet Psychiatry Lancet Psychiatry. 2018 Mar;5(3):237-286. doi: 10.1016/S2215-0366(17)30513-8. PMID: 29482764.

Submitted

  1. Trajectories of change in routine care internet-based cognitive behavioral therapy for anxiety and depression.
    Jensen, E. K., Mathiasen, K., Riper, H., & Lichtenstein, M. B.

  2. Developing a prediction model for non-adherence in internet-based cognitive behavioral therapy for anxiety and depression.
    Jensen, E. K., Mathiasen, K., Riper, H., & Lichtenstein, M. B.

  3. Internet-based cognitive behavioral therapy for children and adolescents with anxiety disorders: a meta-analysis of remission and impact of age and support.
    Sørensen, N. M., Skaarnes, H., Mathiasen, K., McLellan L. F., Thastum, M., & Lomholt, J. J.

  4. Comprehensive Model for Mental health Access and service use (CoMMA): A process model for mental healthcare leveraging technology.
    De Witte, N.A.J, Best, P., Torous, J., Mulvenna, M., Van Assche, E., Mathiasen, K., Kleiboer, A.M., Carlbring, P., Van Daele, T.

2026

  1. Effectiveness of guided internet-based cognitive behavioral therapy for adult anxiety and depression in routine care: An observational study. Jensen, E. K., Lichtenstein, M. B., Riper, H., & Mathiasen, K. (in preparation). International Journal of Methods in Psychiatric Research. DOI: 10.1002/mpr.70058. (JIF 2.5)

2025

  1. Investigating how clinicians form trust in an AI-based mental health model: A design and qualitative case study.
    Kelly, A., Bhardwaj, N., Sainte-Marie, T. T. H.,   Van de Ven, P., Melia, R., Williams, J. E.,   Mathiasen, K., & Nielsen, A. S. (2025). Journal of Medical Internet Research - Human Factors. http://dx.doi.org/10.2196/79658. (JIF 3.0).

  2. Developing an Internet-Based Cognitive Behavioral Therapy Intervention for Adolescents With Anxiety Disorders: Design, Usability, and Initial Evaluation of the CoolMinds Intervention.
    Sørensen, N. M., Skaarnes, H., Mathiasen, K., Thastum, M., & Lomholt, J. J. (2025). Journal of Medical Internet Research - Formative Research, 9. https://doi.org/10.2196/66966. (JIF 2.1).

  3. Internet-based cognitive behavioral therapy (ICBT) for adolescents with anxiety disorders delivered with different types of therapist support: a randomized feasibility trial.
    Sorensen, N. M., Skaarnes, H., Mathiasen, K., McLellan, L. F., Thastum, M., & Lomholt, J. J. (2025). Cognitive Behavioural Therapy (pp 1-24). https://doi.org/10.1080/16506073.2025.2522995. (JIF 4.1).

  4. An Interpretable Model with Probabilistic Integrated Scoring for Mental Health Treatment Prediction: Design Study.
    Kelly, A., Jensen, E. K., Grua, E. M., Mathiasen, K., & Van de Ven, P. (2025). Journal of Medical Internet Research - Medical Informatics, 13.https://doi.org/10.2196/64617. (JIF 3.8).

2024

  1. Internet-based cognitive behavioral intervention for adolescents with anxiety disorders: a study protocol for a parallel three armed randomized controlled trial.
    Skaarnes, H., Sørensen, N. M., Houe Wisnewski, A., Lomholt, J. J., Thastum, M., McLellan, L. F. & Mathiasen, K. (2024). Trials, 25 (article number 674). (JIF 2.0).

  2. Psychometric properties of two implementation measures: Normalization MeAsure Development questionnaire (NoMAD) and organizational readiness for implementing change (ORIC).
    Batterham, P., Allenhof, C., Cerga Pashoja, A., Etzelmueller, A., Fanaj, N., Finch, T., Freund, J., Hanssen, D., Mathiasen, K., Piera Jiminez, J., Qirjako, G., Rapley, T., Sacco, Y., Samalin, L., Schuurmans, J., van Genugten, C. & Vis, C. (2024). Implementation Research and Practice, 5. (JIF 3.9).

  3. Choosing the right treatment - combining clinicians' expert knowledge with data-driven predictions.
    Maekawa, E., Jensen, E., van de Ven, P., & Mathiasen, K. (2024). Frontiers in Psychiatry, 15. https://doi.org/10.3389/fpsyt.2024.1422587. (JIF 3.2).

  4. Comparison of the Working Alliance in Blended Cognitive Behavioral Therapy and Treatment as Usual for Depression in Europe: Secondary Data Analysis of the E-COMPARED Randomized Controlled Trial.
    Doukani, A., Quartagno, M., Sera, F., Free, C., Kakuma, R., Riper, H., Kleiboer, A., Cerga-Pashoja, A., van Schaik, A., Botella, C., Berger, T., Chevreul, K., Matynia, M., Krieger, T., Hazo, J. B., Draisma, S., Titzler, I., Topooco, N., Mathiasen, K.,…Araya, R. (2024). Journal of Medical Internet Research, 26.https://doi.org/10.2196/47515. (JIF 6.0).

  5. How is tailored implementation undertaken using a self-guided toolkit? Qualitative study of the ItFits-toolkit in the ImpleMentAll project.
    Finch, T. L., Potthoff, S., May, C. R., Girling, M., Perkins, N., Vis, C., Buhrmann, L., Etzelmueller, A., van Genugten, C. R., Schuurmans, J., Piera-Jimenez, J., Rapley, T., Mathiasen, K., & ImpleMentAll, c. (2024). Implementation Science, 19(1).  https://doi.org/10.1186/s13012-024-01380-w

2023

  1. Can online and app-based interventions be used by people with diabetes to reduce diabetes distress? A protocol for a scoping review.
    Andersen, C. M., Mathiesen, A. S., Pouwer, F., Mouritsen, J. D., Mathiasen, K. & Rothmann, M. J. (2023). BMJ Open. 13. e074015. (JIF: 2.9).

  2. Effectiveness of Self-guided Tailored Implementation Strategies in Integrating and Embedding Internet-Based Cognitive Behavioral Therapy in Routine Mental Health Care: Results of a Multicenter Stepped-Wedge Cluster Randomized Trial
    Vis, C., Schuurmans, J., Aouizerate, B., Atipei Craggs, M., Batterham, P., Buhrmann, L., Calear, A., Cerga Pashoja, A., Christensen, H., Dozeman, E., Duedal Pedersen, C., Ebert, D. D., Etzelmueller, A., Fanaj, N., Finch, T. L., Hanssen, D., Hegerl, U., Hoogendoorn, A., Mathiasen, K., . . . Riper, H. (2023). Journal of Medical Internet Research, 25.https://doi.org/10.2196/41532. (JIF 7.08).

  3. Implementing a revised online screening tool in a routine care online clinic treating anxiety and depression.
    Mathiasen, K., Holmberg Sainte-Marie, T. T., Skaarnes, H., Jensen, E. K., Vis, C. & Tarp, K. (2023). Frontiers in Digital Health, 5. 1128893. (JIF 3.8).

  4. Measuring Cognitive Abilities in the Wild: Validating a Population-Scale Game-Based Cognitive Assessment.
    Pedersen, M. K., Díaz, C. M. C., Wang, Q. J., Alba-Marrugo, M. A., Amidi, A., Basaiawmoit, R. V., Bergenholtz, C., Christiansen, M. H., Gajdacz, M., Hertwig, R., Ishkhanyan, B., Klyver, K., Ladegaard, N., Mathiasen, K., Parsons, C., Rafner, J., Villadsen, A. R., Wallentin, M., Zana, B. & Sherson, J. F. (2023). Cognitive Science, 47(6).https://doi.org/10.1111/cogs.13308. (JIF 2.4).

  5. Therapist perceptions of the implementation of a new screening procedure using the ItFits-toolkit in an iCBT routine care clinic: A mixed-methods study using the consolidated framework for implementation research.
    Tarp, K., Nielsen, S. L., Holmberg, T. T., Dalsgaard, C. H., Borkner, S., Skaarnes, H., Jensen, E. K., Piera-Jiménez, J., Vis, C. & Mathiasen, K. (2023). Frontiers in Psychiatry, 14.https://doi.org/10.3389/fpsyt.2023.1104301. (JIF 3.2).

  6. Days between sessions predict attrition in text-based internet intervention of Binge Eating Disorder. Linnet, J., Hertz, S. P. T., Jensen, E. S., Runge, E., Tarp, K. H. H., Holmberg, T. T., Mathiasen, K., & Lichtenstein, M. B. (2023). Internet Interventions, 31.https://doi.org/10.1016/j.invent.2023.100607.

2022

  1. Online consultations in mental healthcare: Modelling determinants of use and experience based on an international survey study at the onset of the pandemic.
    Van Daele, T., Mathiasen, K., Carlbring, P., Bernaerts, S., Brugnera, A., Compare, A., Duque, A., Eimontas, J., Gosar, D., Haddouk, L., Karekla, M., Larsen, P., Lo Coco, G., Nordgreen, T., Salgado, J., Schwerdtfeger, A. R., Van Assche, E., Willems, S., & De Witte, N. A. J. (2022). Internet Interventions,30. https://doi.org/10.1016/j.invent.2022.100571. (JIF: 5.36).

  2. Early development of treatment motivation predicts adherence and symptom reduction in an internet-based guided self-help program for binge eating disorder.
    Runge, E., Jensen, E. K., Mathiasen, K., Larsen, P. V., Hertz, S. P. T., Holmberg, T. T., Tarp, K., Linnet, J., Lichtenstein, M. B. (2022). Frontiers in Psychiatry - Psychological Therapy and Psychosomatics, 13.https://doi.org/10.3389/fpsyt.2022.969338.

  3. The Clinical Effectiveness of Blended Cognitive Behavioral Therapy Compared with Face-to-Face Cognitive Behavioral Therapy for Adult Depression: Randomized Controlled Noninferiority Trial.
    Mathiasen, K., Andersen, T. E., Lichtenstein, M. B., Ehlers, L. H., Riper, H., Kleiboer, A., Roessler, K. K. (2022). Journal of Medical Internet Research, 24(9).https://doi.org/10.2196/36577. (JIF: 5.43).

  4. Effect of Sleep Disturbance Symptoms on Treatment Outcome in Blended Cognitive Behavioral Therapy for Depression (E-COMPARED Study): Secondary Analysis
    Jensen, E. S., Ladegaard, N., Mellentin, A. I., Ebert, D. D., Titzler, I., Araya, R., Cerga Pashoja, A., Hazo, J.-B., Holtzmann, J., Cieslak, R., Smoktunowicz, E., Baños, R., Herrero, R., García-Palacios, A., Botella, C., Berger, T., Krieger, T., Holmberg, T. T., Topooco, N., . . . Mathiasen, K. (2022). Journal of Medical Internet Research, 24(3). https://doi.org/10.2196/30231. (JIF: 5.43).

  5. Economic evaluation alongside a randomized controlled trial of blended cognitive-behavioral therapy for patients suffering from major depressive disorder
    Langergaard, A., Mathiasen, K., Søndergaard, J., Sørensen, S. S., Laursen, S. L., Xylander, A. A. P., Lichtenstein, M. B. & Ehlers, L. H. Internet Interventions, 28.https://doi.org/10.1016/j.invent.2022.100513.

  6. Text based internet intervention of Binge Eating Disorder (BED): Words per message is associated with treatment adherence.
    Linnet, J., Jensen, E. S., Runge, E., Hansen, M. B., Hertz, S. P. T., Mathiasen, K., Lichtenstein, M. B. Internet Interventions, 28.https://doi.org/10.1016/j.invent.2022.100538.

  7. Organisational implementation climate in implementing internet-based cognitive behaviour therapy for depression.
    Vis, C., Kleiboer, A., Mol, M., Pedersen, C. D., Finch, T., Smit, J., Riper, H., on behalf of the MasterMind Consortium, Mathiasen, K. (medlem af forfattergruppering). (2022). BMC Health Service Research, 22(1). https://doi.org/10.1186/s12913-022-08041-y.

2021

  1. A Randomized Controlled Trial of Attentional Control Training for Treating Alcohol Use Disorder.
    Mellentin, A. I., Cox, W. M., Fadardi, J. S., Martinussen, L., Mistarz, N., Skøt, L., Rømer Thomsen, K., Mathiasen, K., Lichtenstein, M., & Nielsen, A. S. (2021). Frontiers in Psychiatry, 12. https://doi.org/10.3389/fpsyt.2021.748848 (JIF: 4.2)

  2. Brain+ AlcoRecover: A Randomized Controlled Pilot-Study and Feasibility Study of Multiple-Domain Cognitive Training Using a Serious Gaming App for Treating Alcohol Use Disorders.
    Mistarz, N., Nielsen, A. S., Andersen, K., Goudriaan, A. E., Skøt, L., Mathiasen, K., Michel, T. M., & Mellentin, A. I. (2021). Frontiers in Psychiatry, 12. https://doi.org/10.3389/fpsyt.2021.727001 (JIF: 4.2)

  3. Mobile Diary App Versus Paper-Based Diary Cards for Patients With Borderline Personality Disorder: Economic Evaluation.
    Laursen, S. L., Helweg-Jørgensen, S., Langergaard, A., Søndergaard, J., Sørensen, S. S., Mathiasen, K., Lichtenstein, M. B., & Ehlers, L. H. (2021). Journal of Medical Internet Research, 23(11). https://doi.org/10.2196/28874 (JIF: 5.43).

  4. The working alliance in blended versus face-to-face cognitive therapy for depression: A secondary analysis of a randomized controlled trial.
    Askjer, S., & Mathiasen, K. (2021). Internet Interventions, 25.https://doi.org/10.1016/j.invent.2021.100404 (JIF: 3.5).

2020

  1. Internet-based cognitive behavioral therapy for anxiety in an outpatient specialized care setting: A qualitative study of the patients’ experience of the therapy.
    Pedersen, M. K., Mohammadi, R., Mathiasen, K., Elmose, M. Scandinavian Journal of Psychology, 61 (pp. 846-854). (2020). https://doi.org/10.1111/sjop.12665. (JIF: 1.6).

  2. Dimensionality of System Usability Scale among professionals using internet-based interventions for depression: a confirmatory factor analysis.
    Mol, M., van Schaik, A., Dozeman, E., Ruwaard, J., Vis, C., Ebert, D. D., Etzelmueller, A., Mathiasen, K., Moles, B., Mora, T., Pedersen, C. D., Skjøth, M. M., Pensado, P. L., Piera-Jimenez, J., Gokcay, D., Ince, Ü. B., Russi, A., Sacco, Y., Zanalda, E., Riper, H., Smit, J. H. (2020). BMC Psychiatry, 20(218).https://doi.org/10.1186/s12888-020-02627-8. (JIF: 2.7).

  3. Using the Personalized Advantage Index for Individual Treatment Allocation to Blended Treatment or Treatment as Usual for Depression in Secondary Care.
    Friedl, N., Krieger, T., Chevreul, K., Hazo, J. B., Holtzmann, J., Hoogendoorn, M., Kleiboer, A., Mathiasen, K., Urech, A., Riper, H., Berger, T. (2020). Journal of Clinical Medicine, 9(2). https://doi.org/10.3390/jcm9020490. (JIF: 3.3).

  4. Tailored implementation of internet-based cognitive behavioural therapy in the multinational context of the ImpleMentAll project: a study protocol for a stepped wedge cluster randomized trial.
    Bührmann, L., Schuurmans, J., Ruwaard, J., Fleuren, M., Etzelmüller, A., Piera-Jiménez, J., Finch, T., Rapley, T., Potthoff, S., Aouizerate, B., Batterham, P. J., Calear, A., Christensen, H., Pedersen, C. D., Ebert, D. D., Van der Eycken, E., Fanaj, N., van Genugten, C., Hanssen, D., Mathiasen, K.,…Vis, C. (2020). Trials, 21(1). https://doi.org/10.1186/s13063-020-04686-4

2018

  1. iNCREMENTAL - Increasing access to evidence-based psychotherapy to improve mental health through the use of Internet interventions (Doctoral dissertation).
    Mathiasen, K. (2018).

  2. Guided Internet-Based Cognitive Behavioral Therapy for Adult Depression and Anxiety in Routine Secondary Care: Observational Study.
    Mathiasen, K., Riper, H., Andersen, T. E., & Roessler, K. K. (2018). Journal of Medical Internet Research, 20(11). http://doi.org/10.2196/10927. (JIF 5.0).

  3. ICBT in routine care: A descriptive analysis of successful clinics in five countries.
    Titov, N., Dear, B., Nielssen, O., Staples, L., Hadjistavropoulos, H., Nugent, M., Adlam, K., Nordgreen, T., Bruvik, K. H., Hovland, A. (2018). Internet Interventions, 13. https://doi.org/10.1016/j.invent.2018.07.006. (JIF 3.5).

  4. Implementing internet- delivered cognitive behavior therapy for common mental health disorders: A comparative case study of implementation challenges perceived by therapists and managers in five European internet services.
    Folker, A. P., Mathiasen, K., Lauridsen, S. M., Stenderup, E., Dozeman, E., Folker, M. P. (2018). Internet Interventions, 11. https://doi.org/10.1016/j.invent.2018.02.001. (JIF 3.5).

2016

  1. Blended CBT versus face-to-face CBT: a randomised non-inferiority trial.
    Mathiasen, K., Andersen, T. E., Riper, H., Kleiboer, A. A. M., & Roessler, K. K. (2016). BMC Psychiatry, 16(1). http://doi.org/10.1186/s12888-016-1140-y. (JIF 2.7).

  2. Psychometric analysis of the Patient Health Questionnaire in Danish patients with an implantable cardioverter defibrillator (The DEFIB-WOMEN study).
    Pedersen, S. S., Mathiasen, K., Christensen, K. B., & Makransky, G. (2016). Journal of Psychosomatic Research, 90 (pp. 105–112). http://dx.doi.org/10.1016/j.jpsychores.2016.09.010. (JIF: 2.9).

  3. Internet-based CBT for social phobia and panic disorder in a specialised anxiety clinic in routine care: Results of a pilot randomised controlled trial.
    Mathiasen, K., Riper, H., Ehlers, L. H., Valentin, J. B., & Rosenberg, N. K. (2016). Internet Interventions, 4 (pp. 92–98). (JIF: 3.5).

2015

  1. Implementing and up-scaling evidence-based eMental health in Europe: The study protocol for the MasterMind project.
    Vis, C., Kleiboer, A., Prior, R., Bønes, E., Cavallo, M., Clark, S. A., Dozeman, E., Ebert, D., Etzelmueller, A., Favaretto, G., Zabala, A. F., Kolstrup, N., Mancin, S., Mathiassen, K., Myrbakk, V. N., Mol, M., Jimenez, J. P., Power, K., van Schaik, A.,…Riper, H. (2015). Internet Interventions, 2(4), 399-409.https://doi.org/http://dx.doi.org/10.1016/j.invent.2015.10.002

Scientific Conference Presentations (Peer reviewed (selected))

Keynote

  1. Centre for Digital Psychiatry: an example of a dedicated centre for e-mental health in routine care. Organisation, Scientific results and future directions of research is presented. European Society for Research on Internet Interventions (ESRII), Amsterdam, Netherlands.
    Mathiasen, K. (2023).

Chair

  1. Symposium chair: PERSONAE – Plan for an ultra-adaptive digital intervention employing both stepped care and individualized content for depression. International Society for Research on Internet Interventions (ISRII), Limerick, Ireland.
    Mathiasen, K. (2024).

  2. Symposium chair: THERE AND BACK AGAIN - an unexpected journey of early career researchers into the troubled waters of routine care iCBT research. European Society for Research on Internet Interventions.
    Mathiasen, K. (2023).

Invited speaker

  1. Artificial Intelligence (AI) and Psychology. Circle-U Call for applications: Bottom-up Fund. Université Paris Cité.
    Mathiasen, K. (2025):

  2. Invited speaker in panel discussion: Patient focused Panel Discussion in collaboration with GAMIAN-Europe – Patient-led priorities: how lived experience is shaping scientific validity, not just social equity. 38th ECNP conference, Amsterdam, Netherlands, (2025).

  3. Invited speaker in panel discussion. Enough waiting - Reshaping mental health care. Better mental health is a matter of time: addressing waiting times for mental health services. WHO/Europe, (2025).

Book Chapters

  1. Austing, S. F., Mathiasen, K. (2025). Utilizing digital technologies to create new approaches to treatment and avenues for communication with individuals receiving mental health care at home. In Jørgensen, K. (Ed.), The Path to Mental Health Recovery - A Comprehensive Approach for Understanding and Transformation. Routledge. ISBN 9781032786919.

  2. Mathiasen, K. (2022). Internet- og appbaseret angstbehandling. In Rosenberg, N., & Rosenberg, R. (Ed.), Angstbogen (1st ed.). Psykiatrifondens Forlag. ISBN 9788790420253.

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Reports and Clinical Guidelines

Sundhedsstyrelsen. Behandling af angstlidelser hos voksne – National klinisk retningslinje (2021). https://www.sst.dk/da/udgivelser/2021/nkr-behandling-af-angstlidelser-hos-voksne

Folker, M. P., Lauridsen, S. M., Mathiasen, K., Stenderup, E., & Paldam Folker, A. (2017). InterPsyk: The organisation and implementation of internet-based cognitive behavioural therapy services in five European countries: a comparative case study. Syddansk Universitet. http://www.si- folkesundhed.dk/upload/interpsyk-report.pdf.

Ehlers, L. H., Rosenberg, N., Mathiasen, K., & Svendsen, M. (2013). Computerbaseret behandling af angst/fobi med programmet FearFighter.

Dansk Psykologforening. Retningslinjer for teknologiunderstøttede psykologydelser (2017). https://www.dp.dk/wp-content/uploads/teknologiunderstoettede-psykologydelser.pdf