About the Authors

Louise V. Wain

Affiliation Departments of Health Sciences and Genetics, University of Leicester, Leicester, United Kingdom

Inti Pedroso

Affiliations MRC Centre for Social, Genetic and Developmental Psychiatry, Institute of Psychiatry, King's College London, London, United Kingdom, NIHR Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust and Institute of Psychiatry, King's College London, London, United Kingdom

John E. Landers

Affiliation Day Neuromuscular Research Laboratory, Department of Neurology, University of Massachusetts Medical School, Worcester, Massachusetts, United States of America

Gerome Breen

Affiliations MRC Centre for Social, Genetic and Developmental Psychiatry, Institute of Psychiatry, King's College London, London, United Kingdom, NIHR Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust and Institute of Psychiatry, King's College London, London, United Kingdom

Christopher E. Shaw

Affiliation MRC Centre for Neurodegeneration Research, Institute of Psychiatry, King's College London, London, United Kingdom

P. Nigel Leigh

Affiliation MRC Centre for Neurodegeneration Research, Institute of Psychiatry, King's College London, London, United Kingdom

Robert H. Brown

Affiliation Day Neuromuscular Research Laboratory, Department of Neurology, University of Massachusetts Medical School, Worcester, Massachusetts, United States of America

Martin D. Tobin

Contributed equally to this work with: Martin D. Tobin, Ammar Al-Chalabi

ammar.al-chalabi@kcl.ac.uk (AAC); mt47@le.ac.uk (MDT)

Affiliation Departments of Health Sciences and Genetics, University of Leicester, Leicester, United Kingdom

Ammar Al-Chalabi

Contributed equally to this work with: Martin D. Tobin, Ammar Al-Chalabi

ammar.al-chalabi@kcl.ac.uk (AAC); mt47@le.ac.uk (MDT)

Affiliation MRC Centre for Neurodegeneration Research, 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: JEL CES PNL RHB AAC. Analyzed the data: LVW IP MDT AAC. Contributed reagents/materials/analysis tools: JEL GB CES PNL RHB AAC. Wrote the paper: LVW IP MDT AAC. Conception and design of CNV association study: LVW MDT. Conception and design of genome-wide association study: JEL CES PNL RHB. Interpretation of findings: LVW IP JEL GB CES PNL RHB MDT AAC. Critically revised the manuscript for important intellectual content: JEL GB CES PNL RHB AAC.