Susan J. Klein, Daniel A. O’Connell, and Alma R. Candelas are with the New York State Department of Health (NYSDOH) AIDS Institute, Albany, NY. James G. Giglio is with the NYSDOH Bureau of Narcotic Enforcement, Albany. Guthrie S. Birkhead is with the NYSDOH AIDS Institute, the NYSDOH Center for Community Health, and the School of Public Health, University at Albany, Albany.