| CARE-ID |
| Washington, District of Columbia, United States, 20037 |
| Whitman-Walker Clinic |
| Washington, District of Columbia, United States, 20009 |
| Orlando Immunology Center |
| Orlando, Florida, United States, 32803 |
| Steinhart Medical Associates |
| Miami, Florida, United States, 33133 |
| Treasure Chest Infectious Disease |
| Vero Beach, Florida, United States, 32960 |
| Community Research Initiative of New England - Boston |
| Boston, Massachusetts, United States, 02215 |
| Community Research Initiative of New England - West |
| Springfield, Massachusetts, United States, 01107 |