1. Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, and New York State Psychiatric Institute, New York City (Tepper, Smith); Department of Epidemiology and Biostatistics, School of Public Health, State University of New York at Albany, Rensselaer, New York (Leckman-Westin); New York State Office of Mental Health, Albany, New York (Leckman-Westin, Sosiak, Smith).