1. Division of Geographic Medicine and Infectious Diseases, Tufts Medical Center and Tufts University School of Medicine, Boston, Massachusetts, USA
2. Summa Health, Akron, Ohio, USA
3. Duke University, Durham, North Carolina, USA
4. Infectious Diseases Society of America, Arlington, Virginia, USA
5. F2G Ltd, Eccles, United Kingdom
6. Boston University, Boston, Massachusetts, USA