About the Authors

Angela Bithell

Current address: Centre for the Cellular Basis of behaviour, The James Black Centre, Institute of Psychiatry, King's College London, London, United Kingdom

Affiliation Department of Psychological Medicine, Institute of Psychiatry, King's College London, London, United Kingdom

Tony Hsu

Contributed equally to this work with: Tony Hsu, Apsara Kandanearatchi

Affiliation Center for Behavioral Genomics, Department of Psychiatry, University of California San Diego, San Diego, California, United States of America

Apsara Kandanearatchi

Contributed equally to this work with: Tony Hsu, Apsara Kandanearatchi

Current address: Centre for Immunology, St Vincent's Hospital/University of New South Wales, Sydney, New South Wales, Australia

Affiliation Department of Psychological Medicine, Institute of Psychiatry, King's College London, London, United Kingdom

Sabine Landau

Affiliation Department of Biostatistics and Computing, Institute of Psychiatry, King's College London, London, United Kingdom

Ian P. Everall

Current address: Department of Psychiatry, The University of Melbourne, Royal Melbourne Hospital, Parkville, Victoria, Australia

Affiliations Department of Psychological Medicine, Institute of Psychiatry, King's College London, London, United Kingdom, Center for Behavioral Genomics, Department of Psychiatry, University of California San Diego, San Diego, California, United States of America

Ming T. Tsuang

Affiliation Center for Behavioral Genomics, Department of Psychiatry, University of California San Diego, San Diego, California, United States of America

Gursharan Chana

Current address: Department of Psychiatry, The University of Melbourne, Royal Melbourne Hospital, Parkville, Victoria, Australia

Affiliations Department of Psychological Medicine, Institute of Psychiatry, King's College London, London, United Kingdom, Center for Behavioral Genomics, Department of Psychiatry, University of California San Diego, San Diego, California, United States of America

Brenda P. Williams

brenda.p.williams@kcl.ac.uk

Current address: Centre for the Cellular Basis of behaviour, The James Black Centre, Institute of Psychiatry, King's College London, London, United Kingdom

Affiliation Department of Psychological Medicine, Institute of Psychiatry, King's College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IPE BPW. Performed the experiments: AB AK. Analyzed the data: AB TH AK SL GC. Contributed reagents/materials/analysis tools: IPE MT BPW. Wrote the paper: BPW. Interpreted data: BPW AB SL IPE GC. Revised manuscript: AB SL IPE GC. Approved final version: AB TH AK SL IPE GC. Provided research support staff: MT.