About the Authors

Simone de Jong

Current address: Center for Neurobehavioral Genetics, University of California Los Angeles, Los Angeles, California, United States of America

Affiliations Department of Medical Genetics, University Medical Center Utrecht, Utrecht, The Netherlands, Department of Psychiatry, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands

Marco P. M. Boks

Affiliations Department of Psychiatry, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands, Julius Centre for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands

Tova F. Fuller

Affiliation Department of Human Genetics, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America

Eric Strengman

Affiliations Department of Medical Genetics, University Medical Center Utrecht, Utrecht, The Netherlands, Center for Neurobehavioral Genetics, Semel Institute for Neuroscience & Human Behavior, University of California Los Angeles, Los Angeles, California, United States of America

Esther Janson

Affiliation Department of Medical Genetics, University Medical Center Utrecht, Utrecht, The Netherlands

Carolien G. F. de Kovel

Affiliation Department of Medical Genetics, University Medical Center Utrecht, Utrecht, The Netherlands

Anil P. S. Ori

Affiliation Center for Neurobehavioral Genetics, Semel Institute for Neuroscience & Human Behavior, University of California Los Angeles, Los Angeles, California, United States of America

Nancy Vi

Affiliation Center for Neurobehavioral Genetics, Semel Institute for Neuroscience & Human Behavior, University of California Los Angeles, Los Angeles, California, United States of America

Flip Mulder

Affiliation Department of Medical Genetics, University Medical Center Utrecht, Utrecht, The Netherlands

Jan Dirk Blom

Affiliations Parnassia Bravo Group, The Hague, The Netherlands, Department of Psychiatry, University of Groningen, Groningen, The Netherlands

Birte Glenthøj

Affiliation Center for Clinical Intervention and Neuropsychiatric Schizophrenia Research, Psychiatric University Center Glostrup, University of Copenhagen, Glostrup, Denmark

Chris D. Schubart

Affiliation Department of Psychiatry, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands

Wiepke Cahn

Affiliation Department of Psychiatry, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands

René S. Kahn

Affiliation Department of Psychiatry, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands

Steve Horvath

Affiliations Department of Human Genetics, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America, Department of Biostatistics, School of Public Health, University of California Los Angeles, Los Angeles, California, United States of America

Roel A. Ophoff

ROphoff@mednet.ucla.edu

Affiliations Department of Psychiatry, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands, Department of Human Genetics, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America, Center for Neurobehavioral Genetics, Semel Institute for Neuroscience & Human Behavior, University of California Los Angeles, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RAO MPMB SH SdJ. Performed the experiments: ES EJ APSO NV. Analyzed the data: SdJ CGFdK TFF. Contributed reagents/materials/analysis tools: FM. Wrote the paper: SdJ. Provided biosamples and clinical data: JDB BG CDS WC RSK.