About the Authors

Gemma D. Kok

Affiliation Department of Clinical Psychology, University of Groningen, Groningen, The Netherlands

Claudi L. H. Bockting

c.l.h.bockting@rug.nl

Affiliation Department of Clinical Psychology, University of Groningen, Groningen, The Netherlands

Huibert Burger

Affiliation Department of General Practice, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands

Wiebke Hannig

Affiliation Department of Clinical Psychology and Psychotherapy, Marburg University, Marburg, Germany

Gerdina H. M. Pijnenborg

Affiliations Department of Clinical Psychology, University of Groningen, Groningen, The Netherlands, Department of Psychotic Disorders, GGZ Drenthe, Assen, The Netherlands

Pim Cuijpers

Affiliations Department of Clinical Psychology and EMGO+ Institute for Health and Care Research, VU University and VU University Medical Centre, Amsterdam, The Netherlands, Leuphana University, Lüneburg, Germany

Steven D. Hollon

Affiliation Department of Psychology, Vanderbilt University, Nashville, Tennessee, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CB GK PC. Performed the experiments: GK WH CB. Analyzed the data: CB GK HB SH. Contributed reagents/materials/analysis tools: PC GP. Wrote the paper: GK CB HB WH GP PC SH.