1 Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD.
2 Center for Urban Epidemiologic Studies, New York Academy of Medicine, New York, NY.
3Chemical Dependency Research Institute, Beth Israel Medical Center, New York, NY.
4Office of HIV/AIDS Policy, Office of the Secretary, US Department of Health and Human Services, Washington, DC.
5Maryland State Senate, Annapolis, MD.
6Public Citizen's Health Research Group, Washington, DC.
7National Association of People with AIDS, Washington, DC.
Abbreviations: AIDS, acquired immunodeficiency syndrome; HIV, human immunodeficiency virus.
NOTES
Correspondence to Dr. David Vlahov, Center for Urban Epidemiologic Studies, The New York Academy of Medicine, 1216 Fifth Avenue, Room 553, New York, NY 10029 (dvlahov{at}nyam.org).
Received for publication August 25, 2000. Accepted for publication August 22, 2001.