About the Authors

Sarah A. Gagliano

Affiliations Centre for Addiction and Mental Health, Toronto, Ontario, Canada, Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada

Michael R. Barnes

Affiliation William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom

Michael E. Weale

Contributed equally to this work with: Michael E. Weale, Jo Knight

Affiliation Department of Medical & Molecular Genetics, King’s College London, Guy’s Hospital, London, United Kingdom

Jo Knight

Contributed equally to this work with: Michael E. Weale, Jo Knight

jo.knight@camh.ca

Affiliations Centre for Addiction and Mental Health, Toronto, Ontario, Canada, Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada, Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JK MEW MRB SAG. Analyzed the data: JK SAG. Wrote the paper: JK MEW MRB SAG.