1. Section of Adult Infectious Diseases, Tulane University Health Sciences Center
2. Office of Public Health, Louisiana Department of Health and Hospitals, New Orleans, Louisiana 70112
3. Division of AIDS, STD, and TB Laboratory Research, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia 30333
4. Department of Tropical Medicine
5. Department of Epidemiology, Tulane University School of Public HealthTropical Medicine