1. Medical Practice Evaluation Center, Department of Medicine, Massachusetts General Hospital , Boston, Massachusetts , USA
2. Division of Infectious Diseases, Department of Medicine, Massachusetts General Hospital , Boston, Massachusetts , USA
3. Harvard Medical School , Boston, Massachusetts , USA
4. RAND Corporation , Santa Monica, California , USA
5. University of the West Indies , Kingston , Jamaica
6. Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Massachusetts General Hospital , Boston, Massachusetts , USA
7. Department of Psychiatry, Massachusetts General Hospital , Boston, Massachusetts , USA
8. Boston Public Health Commission , Boston, Massachusetts , USA
9. Division of Global Health Equity, Brigham and Women’s Hospital , Boston, Massachusetts , USA