1. Medical Practice Evaluation Center,
2. Divisions of Infectious Disease, and
3. General Internal Medicine, Massachusetts General Hospital, and
4. the Harvard University Center for AIDS Research, Harvard Medical School, Boston, Massachusetts;
5. Division of Infectious Disease, Department of Medicine,
6. Center for AIDS Research, and
7. Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, Georgia