1. Harvard Pilgrim Health Care Institute, Department of Population Medicine, Harvard Medical School, Boston, Massachusetts
2. Division of General Pediatrics, Boston Children’s Hospital, Boston, Massachusetts
3. Associate Editor, JAMA Pediatrics
4. Department of Health Policy and Management, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
5. Now with Takeda Pharmaceutical Company, Lexington, Massachusetts
6. Now with University of Washington School of Public Health, Seattle, Washington