About the Authors
Department of Pharmacology and the Institute for Translational Medicine and Therapeutics, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, United States of America
Medical Research Council, Social Genetic and Developmental Psychiatry (SGDP) Centre, Institute of Psychiatry, King's College London, London, England, United Kingdom
Regulatory Biology, Salk Institute for Biological Studies, La Jolla, California, United States of America
The authors have declared that no competing interests exist.
JEB and JBH conceived and designed the experiments. JEB performed the experiments. JEB, TSP, and JBH analyzed the data. JEB, TSP, LD, SP, GAF, and JBH contributed reagents/materials/analysis tools. JEB, TSP, and JBH wrote the paper.