1. Division of Infectious Diseases, The Miriam Hospital, Providence, Rhode Island, USA.
2. The Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA.
3. Research Improving People's Lives, Providence, Rhode Island, USA.
4. Department of Biostatistics, Brown University School of Public Health, Providence, Rhode Island, USA.
5. George Washington University Milken Institute School of Public Health, Washington, District of Columbia, USA.
6. Yale University School of Nursing, Orange, Connecticut, USA.