1. Division of General Pediatrics, Children’s Hospital Boston, Boston, Massachusetts;
2. Department of Society Human Development and Health, Harvard School of Public Health, Boston, Massachusetts;
3. Harvard Medical School, Boston, Massachusetts;
4. Federation of Pediatric Organizations, Chapel Hill, North Carolina;
5. RAND Corporation, Santa Monica, California;
6. Harvard Work Hours, Health, and Safety Group, Division of Sleep Medicine, Brigham and Women’s Hospital, Boston, Massachusetts; and
7. Wright State University Boonshoft School of Medicine, Dayton, Ohio