1. Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
2. Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
3. Department of Pediatrics, Children’s Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
4. Abigail Wexner Research Institute at Nationwide Children’s Hospital and The Ohio State University, Columbus, Ohio
5. Department of Otolaryngology, Eastern Virginia Medical School, Children’s Hospital of The King’s Daughters, Norfolk, VA
6. Department of Neurology and Sleep Disorders Centers, University of Michigan, Ann Arbor, Michigan
7. Department of Otolaryngology, Head and Neck Surgery, University of Cincinnati College of Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
8. Departments of Otolaryngology-Head and Neck Surgery and Neurology Sleep Disorders Center, Utah Southwestern Medical Center, Children’s Medical Center, Dallas, Texas
9. Department of Otolaryngology-Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan
10. Department of Pediatrics, Rainbow Babies and Children’s of University Hospitals Cleveland, Case Western Reserve University, Cleveland, Ohio
11. Division of Pediatric Otolaryngology, Children’s Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
12. Department of Pediatrics, Utah Southwestern Medical Center, Dallas, Texas
13. Department of Population Medicine, Harvard Pilgrim Healthcare Institute and Harvard Medical School, Boston, Massachusetts
14. Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts