1. From the Sheppard Pratt Health System, Baltimore; Cyberonics, Inc., Houston; the Department of Psychiatry, Washington University in St. Louis; the Psychiatric Neuroscience Program, Massachusetts General Hospital, Boston; Psychiatric Behavior Solutions, Salt Lake City; the Department of Psychiatry, State University of New York Upstate Medical University, Syracuse; and the Department of Psychiatry, Rush University Medical Center, Chicago.