1. AIDS Research Consortium of Atlanta, Atlanta, Georgia, USA
2. Mid-Atlantic Permanente Research Institute, Kaiser Permanente Mid-Atlantic Permanente Medical Group, Rockville, Maryland, USA
3. Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
4. Division of Infectious Diseases, Emory University, Atlanta, Georgia, USA
5. Division of Infectious Diseases, University of Texas Southwestern Medical Center, Dallas, Texas, USA
6. Division of Infectious Diseases, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
7. Internal Medicine, HIV and Infectious Disease, Desert AIDS Project, Palm Springs, California, USA
8. Division of Infectious Diseases, Mount Sinai Health System, New York, New York, USA