About the Authors

Ruth J. van Holst

ruthvan.holst@gmail.com

Affiliations Academic Medical Center, Department of Psychiatry, University of Amsterdam, Amsterdam, The Netherlands, Amsterdam Institute for Addiction Research, Amsterdam, The Netherlands

Johan N. van der Meer

Affiliation Academic Medical Center, Department of Psychiatry, University of Amsterdam, Amsterdam, The Netherlands

Donald G. McLaren

Affiliations Massachusetts General Hospital, Department of Neurology and Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Boston, Massachusetts, United States of America, Edith Nourse Rogers Memorial Veterans Affairs Medical Center, Geriatric Research Education and Clinical Center, Bedford, Massachusetts, United States of America, Harvard Medical School, Boston, Massachusetts, United States of America

Wim van den Brink

Affiliations Academic Medical Center, Department of Psychiatry, University of Amsterdam, Amsterdam, The Netherlands, Amsterdam Institute for Addiction Research, Amsterdam, The Netherlands

Dick J. Veltman

Affiliations Academic Medical Center, Department of Psychiatry, University of Amsterdam, Amsterdam, The Netherlands, Amsterdam Institute for Addiction Research, Amsterdam, The Netherlands, Department of Psychiatry, VU University Medical Center, Amsterdam, The Netherlands

Anna E. Goudriaan

Affiliations Academic Medical Center, Department of Psychiatry, University of Amsterdam, Amsterdam, The Netherlands, Amsterdam Institute for Addiction Research, Amsterdam, The Netherlands, Arkin Mental Health Care, Amsterdam, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RJH AEG DJV WB. Performed the experiments: RJH AEG. Analyzed the data: RJH JNM DGM DJV. Contributed reagents/materials/analysis tools: RJH DGM JNM AEG DJV. Wrote the paper: RJH AEG DJV WB JNM DGM. Participant recruitment: WB RJH AEG.