David M. Taylor, BSc, MSc, PhD, FFRPS, FRPharmS, FRCPEdin, FRCPsychHon, is Director of Pharmacy and Pathology at the Maudsley Hospital and Professor of Psychopharmacology at King's College, London.

Thomas R. E. Barnes, MBBS, MD, FRCPsych, DSc, Emeritus Professor of Clinical Psychiatry at Imperial College London and joint head of the Prescribing Observatory for Mental Health at the Royal College of Psychiatrists' Centre for Quality Improvement, London, UK.

Allan H. Young, MB, ChB, MPhil, PhD, FRCP, FRCPsych, Chair of Mood Disorders and Director of the Centre for Affective Disorders in the Department of Psychological Medicine in the Institute of Psychiatry, Psychology and Neuroscience at King's College, London, UK.