1. Washington University School of Medicine, St. Louis, Missouri.
2. Division of HIV/AIDS Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia.
3. University of Texas Medical Branch, Austin Programs, Austin, Texas.
4. Abbott Northwestern Hospital, Minneapolis, Minnesota.
5. University of Minnesota, Minneapolis, Minnesota.
6. Miriam Hospital, Providence, Rhode Island.
7. Denver Infectious Disease Consultants, Denver, Colorado.
8. HIV Program, Hennepin County Medical Center, Minneapolis, Minnesota.