1. Department of Pathology, Brigham and Women’s Hospital, Boston, Massachusetts, USA
2. Department of Infectious Diseases, Brigham and Women’s Hospital, Boston, Massachusetts, USA
3. Division of Geographic Medicine and Infectious Diseases, Tufts Medical Center, Boston, Massachusetts, USA
4. Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, College Park, Maryland, USA
5. Infection Control Department, Brigham and Women’s Hospital, Boston, Massachusetts, USA