About the Authors

Jo Knight

Jo.Knight@kcl.ac.uk

Affiliations Department of Medical and Molecular Genetics, King's College London School of Medicine, London, United Kingdom, National Institute for Health Research (NIHR), Biomedical Research Centre Guy's and St. Thomas' NHS Foundation Trust and King's College London, London, United Kingdom

Michael R. Barnes

Affiliations Computational Biology, GlaxoSmithKline, Stevenage, United Kingdom, Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King's College London School of Medicine, London, United Kingdom

Gerome Breen

Affiliation Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King's College London School of Medicine, London, United Kingdom

Michael E. Weale

Affiliation Department of Medical and Molecular Genetics, King's College London School of Medicine, London, United Kingdom

Competing Interests

MRB is an employee of GlaxoSmithKline. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

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