James L Kennedy Editor

Matcheri S. Keshavan, M.D., FRCPC MRCPsych is Professor of Psychiatry at the University of Pittsburgh School of Medicine and Director of the Clinical Core, Center for the Neuroscience of Mental Disorders, and Director of the STEP Clinic at the University of Pittsburgh Medical Center, Western Psychiatric Institute and Clinic. James L. Kennedy, M.D., FRCPC, is Director of the Neuroscience Research Department, and Head, Section of Neurogenetics, at the Centre for Addiction and Mental Health, and also Professor of Psychiatry and Medical Sciences at the University of Toronto. Robin M. Murray, DSc, FRCPsych is Professor of Psychiatry and Head of the Department of Psychological Medicine at the Institute of Psychiatry, King's College, University of London, as well as Consultant Psychiatrist at the Maudsley Hospital, London.