About the Authors

Heleen Riper

h.riper@vu.nl

Affiliations Department of Clinical Psychology and EMGO Institute, VU University Amsterdam, Amsterdam, Netherlands, Division Health Trainings online, EU innovation Incubator, Leuphana University, Lüneburg, Germany

Matthijs Blankers

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

Hana Hadiwijaya

Affiliations Department of Clinical Psychology and EMGO Institute, VU University Amsterdam, Amsterdam, Netherlands, TS Social and Behavioral Sciences, Department of Developmental Psychology, Tilburg University, Tilburg, the Netherlands

John Cunningham

Affiliations Centre for Mental Health Research, the Australian National University, Canberra, Australia, Centre for Addiction and Mental Health, Toronto, Canada

Stella Clarke

Affiliation NHS Fife, Edinburgh, Scotland, United Kingdom

Reinout Wiers

Affiliation Addiction, Development and Psychopathology (ADAPT) lab, Department of Psychology, University of Amsterdam, Amsterdam, The Netherlands

David Ebert

Affiliations Division Health Trainings online, EU innovation Incubator, Leuphana University, Lüneburg, Germany, Division for Clinical Psychology and Psychotherapy, Department for Psychology, Philipp’s University Marburg, Marburg, Germany

Pim Cuijpers

Affiliations Department of Clinical Psychology and EMGO Institute, VU University Amsterdam, Amsterdam, Netherlands, Division Health Trainings online, EU innovation Incubator, Leuphana University, Lüneburg, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HR HH PC. Performed the experiments: HR HH MB. Analyzed the data: HR HH MB PC. Contributed reagents/materials/analysis tools: HR PC. Contributed to the writing of the manuscript: HR MB HH JC SC DE RW PC.