1. Division of Infectious Diseases, Washington University in St. Louis, St. Louis, Missouri.
2. Center for Public Health Systems Science, Washington University in St. Louis, St. Louis, Missouri.
3. Brown School, Washington University in St. Louis, St. Louis, Missouri.
4. Division of Infectious Diseases, Brown University, Providence, Rhode Island.
5. Division of Infectious Diseases, Beth Israel Deaconess Medical Center, Boston, Massachusetts.
6. Division of Infectious Diseases, Harvard Medical School, Boston, Massachusetts.
7. The Fenway Institute, Fenway Health, Boston, Massachusetts.
8. Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.