1. Division of Infectious Diseases,
2. Division of General Pediatrics, and
3. Division of Emergency Medicine, Department of Medicine, and
4. Information Services Department, Boston Children’s Hospital, Boston, Massachusetts;
5. Department of Health Policy and Management, Harvard School of Public Health, Boston Massachusetts;
6. Division of General Medicine, Brigham and Women’s Hospital, Boston, Massachusetts; and
7. Veterans Affairs Boston Healthcare System, Boston, Massachusetts