About the Authors

Ken B. Hanscombe

Ken.Hanscombe@kcl.ac.uk

Affiliation Medical Research Council Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King's College London, London, United Kingdom

Maciej Trzaskowski

Affiliation Medical Research Council Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King's College London, London, United Kingdom

Claire M. A. Haworth

Affiliation Medical Research Council Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King's College London, London, United Kingdom

Oliver S. P. Davis

Affiliations Medical Research Council Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King's College London, London, United Kingdom, The Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford, United Kingdom, European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, United Kingdom

Philip S. Dale

Affiliation Department of Speech and Hearing Sciences, University of New Mexico, Albuquerque, New Mexico, United States of America

Robert Plomin

Affiliation Medical Research Council Social, Genetic and Developmental Psychiatry Centre, 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: KH MT CH OD PD RP. Analyzed the data: KH MT CH OD. Wrote the paper: KH RP.