About the Authors

Heleen Riper

Roles Conceptualization, Data curation, Formal analysis, Writing – original draft

h.riper@vu.nl

Affiliations Department of Clinical, Neuro- and Developmental Psychology, VU University, Amsterdam, the Netherlands, Department of Psychiatry, VU University Medical Centre, Amsterdam, the Netherlands, APH Institute for Health and Care Research, VU University Medical Centre, Amsterdam, the Netherlands

Adriaan Hoogendoorn

Roles Formal analysis, Methodology, Writing – review & editing

Affiliations Department of Psychiatry, VU University Medical Centre, Amsterdam, the Netherlands, APH Institute for Health and Care Research, VU University Medical Centre, Amsterdam, the Netherlands

Pim Cuijpers

Roles Conceptualization, Methodology, Writing – review & editing

Affiliations Department of Clinical, Neuro- and Developmental Psychology, VU University, Amsterdam, the Netherlands, APH Institute for Health and Care Research, VU University Medical Centre, Amsterdam, the Netherlands

Eirini Karyotaki

Roles Data curation, Writing – review & editing

Affiliations Department of Clinical, Neuro- and Developmental Psychology, VU University, Amsterdam, the Netherlands, APH Institute for Health and Care Research, VU University Medical Centre, Amsterdam, the Netherlands

Nikolaos Boumparis

Roles Investigation, Writing – review & editing

Affiliations Department of Clinical, Neuro- and Developmental Psychology, VU University, Amsterdam, the Netherlands, APH Institute for Health and Care Research, VU University Medical Centre, Amsterdam, the Netherlands

Adriana Mira

Roles Project administration, Writing – review & editing

Affiliations Department of Psychology and Technology, Universitat Jaume I, Castellon, Spain, Department of Psychology and Sociology, Universidad de Zaragoza, Zaragoza, Spain

Gerhard Andersson

Roles Investigation, Writing – review & editing

Affiliations Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden, Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden

Anne H. Berman

Roles Data curation, Writing – review & editing

Affiliations Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden, Stockholm Health Care Services, Stockholm County Council, Stockholm, Sweden

Nicolas Bertholet

Roles Data curation, Writing – review & editing

Affiliation Alcohol Treatment Centre, Department of Community Medicine and Health, Lausanne University Hospital, Lausanne, Switzerland

Gallus Bischof

Roles Data curation, Writing – review & editing

Affiliation Department of Psychiatry and Psychotherapy, University of Lübeck, Lübeck, Germany

Matthijs Blankers

Roles Data curation, Writing – review & editing

Affiliations Arkin Mental Health Care, Department of Research, Amsterdam, the Netherlands, Academic Medical Centre, Department of Psychiatry, University of Amsterdam, Amsterdam, the Netherlands, Trimbos Institute—Netherlands Institute of Mental Health and Addiction, Utrecht, the Netherlands

Brigitte Boon

Roles Data curation, Writing – review & editing

Affiliation Academy Het Dorp, Arnhem, the Netherlands

Leif Boß

Roles Data curation, Writing – review & editing

Affiliation Department of Health Psychology and Applied Biological Psychology, Institute of Psychology, Leuphana University of Lüneburg, Lüneburg, Germany

Håvar Brendryen

Roles Data curation, Writing – review & editing

Affiliation Norwegian Centre for Addiction Research, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway

John Cunningham

Roles Data curation, Writing – review & editing

Affiliations Centre for Addiction and Mental Health, University of Toronto, Ontario, Canada Department of Psychiatry and Department of Psychology, University of Toronto, Toronto, Ontario, Canada, Centre for Addiction and Mental Health, Toronto, Ontario, Canada, Research School of Population Health, Australian National University, Canberra, Australia

David Ebert

Roles Data curation, Writing – review & editing

Affiliation Department of Clinical Psychology and Psychotherapy, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany

Anders Hansen

Roles Data curation, Writing – review & editing

Affiliation Strategic Research and Development Support, Metropolitan University College, Copenhagen, Denmark

Reid Hester

Roles Data curation, Writing – review & editing

Affiliation Research Division, Behavior Therapy Associates, Albuquerque, New Mexico, United States of America

Zarnie Khadjesari

Roles Data curation, Writing – review & editing

Affiliation School of Health Sciences, University of East Anglia, Norwich, United Kingdom

Jeannet Kramer

Roles Data curation, Writing – review & editing

Affiliation Trimbos Institute—Netherlands Institute of Mental Health and Addiction, Utrecht, the Netherlands

Elizabeth Murray

Roles Data curation, Writing – review & editing

Affiliations Health Service and Population Research Department, Centre for Implementation Science, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, United Kingdom, eHealth Unit, Research Department of Primary Care and Population Health, University College London, Royal Free Hospital, London, United Kingdom

Marloes Postel

Roles Data curation, Writing – review & editing

Affiliations Department of Psychology, Health and Technology, University of Twente, Enschede, the Netherlands, Department of Development and Advice, Tactus Addiction Treatment, Deventer, the Netherlands

Daniela Schulz

Roles Data curation, Writing – review & editing

Affiliation CAPHRI School for Public Health and Primary Care, Department of Health Promotion, Maastricht University, Maastricht, the Netherlands

Kristina Sinadinovic

Roles Data curation, Writing – review & editing

Affiliations Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden, Stockholm Health Care Services, Stockholm County Council, Stockholm, Sweden

Brian Suffoletto

Roles Data curation, Writing – review & editing

Affiliation Department of Emergency Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Christopher Sundström

Roles Data curation, Writing – review & editing

Affiliation Institute for Mental Health Policy Research, Centre for Addiction and Mental Health, Toronto, Ontario, Canada

Hein de Vries

Roles Data curation, Writing – review & editing

Affiliation CAPHRI School for Public Health and Primary Care, Department of Health Promotion, Maastricht University, Maastricht, the Netherlands

Paul Wallace

Roles Data curation, Writing – review & editing

Affiliation eHealth Unit, Research Department of Primary Care and Population Health, University College London, Royal Free Hospital, London, United Kingdom

Reinout W. Wiers

Roles Data curation, Writing – review & editing

Affiliation Addiction Development and Psychopathology (ADAPT) Laboratory, Department of Psychology, University of Amsterdam, the Netherlands

Johannes H. Smit

Roles Conceptualization, Methodology, Writing – review & editing

Affiliations Department of Psychiatry, VU University Medical Centre, Amsterdam, the Netherlands, APH Institute for Health and Care Research, VU University Medical Centre, Amsterdam, the Netherlands

Competing Interests

I have read the journal's policy and the authors of this manuscript have the following competing interests: DE has served as a consultant to/on the scientific advisory boards of Sanofi, Novartis, Minddistrict, Lantern, Schoen Kliniken, and German health insurance companies (BARMER, Techniker Krankenkasse). He is also a stakeholder of the Institute for health training online (GET.ON), which aims to implement scientific findings related to digital health interventions into routine care. RH's company owns the IP of the web applications that their data came from, as a basis for their contribution to the overall data set. HDV is the scientific director of Vision2Health, a company with the goal to implement evidence-based eHealth interventions. HR received a fee for participating in a brainstorm session on ehealth and bipolar disorders/PTSD organized by Sandoz. The remaining authors declare no competing interests.