About the Authors

Lynn Boschloo

L.Boschloo@umcg.nl

Affiliations University of Groningen, University Medical Center Groningen (UMCG), Interdisciplinary Center Psychopathology and Emotion Regulation (ICPE)/University Center Psychiatry (UCP), Groningen, The Netherlands, Vrije University Medical Center (VUMC), Department of Psychiatry and Extramuraal Geneeskundig Onderzoek (EMGO) Institute for Health and Care Research, Amsterdam, The Netherlands

Annet T. Spijker

Affiliation PsyQ, Department of Mood Disorders, The Hague, The Netherlands

Erik Hoencamp

Affiliations Parnassia Group, The Hague, The Netherlands, Leiden University, Institute of Psychology, Leiden, The Netherlands

Ralph Kupka

Affiliation Vrije University Medical Center (VUMC), Department of Psychiatry and Extramuraal Geneeskundig Onderzoek (EMGO) Institute for Health and Care Research, Amsterdam, The Netherlands

Willem A. Nolen

Affiliation University of Groningen, University Medical Center Groningen (UMCG), Interdisciplinary Center Psychopathology and Emotion Regulation (ICPE)/University Center Psychiatry (UCP), Groningen, The Netherlands

Robert A. Schoevers

Affiliation University of Groningen, University Medical Center Groningen (UMCG), Interdisciplinary Center Psychopathology and Emotion Regulation (ICPE)/University Center Psychiatry (UCP), Groningen, The Netherlands

Brenda W. J. H. Penninx

Affiliations University of Groningen, University Medical Center Groningen (UMCG), Interdisciplinary Center Psychopathology and Emotion Regulation (ICPE)/University Center Psychiatry (UCP), Groningen, The Netherlands, Vrije University Medical Center (VUMC), Department of Psychiatry and Extramuraal Geneeskundig Onderzoek (EMGO) Institute for Health and Care Research, Amsterdam, The Netherlands, Leiden University Medical Center, Department of Psychiatry, Leiden, The Netherlands

Competing Interests

LB and AS have received speaking fees and unrestricted grants from Astra Zeneca. EH has received an unrestricted grant from Astra Zeneca and is currently supported by Parnassia Group. RK has received unrestricted grants from Astra Zeneca and honoraria from Astra Zeneca, Lundbeck and Bristol Myers Squibb. WN has received unrestricted grants from the Netherlands Organization for Health Research and Development, the European Union, the Stanley Medical Research Institute, Astra Zeneca, GlaxoSmithKline and Wyeth; and has received honoraria/speaker's fees from Astra Zeneca and Lundbeck. BWJHP has received unrestricted grants from the Netherlands Organization for Health Research and Development. These competing interests do not alter the authors' adherence to PLOS ONE policies on sharing data and materials. RAS did not report any competing interests.

Author Contributions

Conceived and designed the experiments: LB AS EH RK WN RS BP. Performed the experiments: LB RS BP. Analyzed the data: LB. Contributed reagents/materials/analysis tools: LB. Wrote the paper: LB AS EH RK WN RS BP.