Alan F. Schatzberg, M.D. Kenneth T. Norris, Jr., Professor, Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California. Charles DeBattista, D.M.H., M.D. Professor of Psychiatry and Behavioral Sciences ; Co-Director, Depression Research Clinic and Research Program ; Director, Mood Disorders Center, Director, Medical Student Education in Psychiatry, Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California.