1. Department of Healthcare Policy and Research; Weill Cornell Medical College; New York NY USA
2. HIV Epidemiology and Outcomes Research Unit; Section of Infectious Diseases; Department of Medicine; Boston Medical Center; Boston MA USA
3. Division of General Medicine; Massachusetts General Hospital; Boston MA USA
4. Medical Practice Evaluation Center; Massachusetts General Hospital; Boston MA USA
5. Department of Public Health Sciences; Miller School of Medicine; University of Miami; Miami FL USA
6. Department of Sociomedical Sciences; Mailman School of Public Health; Columbia University; New York NY USA
7. Division of Infectious Diseases; Massachusetts General Hospital; Boston MA USA
8. Department of Health Policy and Management; Harvard School of Public Health; Boston MA USA
9. Department of Epidemiology; Boston University School of Public Health; Boston MA USA