1. Baylor College of Medicine, Thomas Street Health Center, and the Michael E. DeBakey VA Medical Center, Houston, Texas.
2. University of Alabama at Birmingham (UAB) School of Medicine, UAB Center for AIDS Research, and UAB 1917 Clinic, Birmingham, Alabama.
3. Johns Hopkins University School of Medicine, Baltimore, Maryland.
4. Boston University School of Public Health and Center for Health Quality, Outcomes and Economic Research, ENRM Memorial VA Hospital, Boston, Massachusetts.
5. Boston University School of Medicine, Boston, Massachusetts.
6. State University of New York Downstate Medical Center, School of Public Health, Brooklyn, New York.
7. University of Miami School of Medicine, Miami, Florida.
8. Centers for Disease Control and Prevention, Atlanta, Georgia.
9. Health Resources and Services Administration, Rockville, Maryland.