1. Department of Pediatrics, Rainbow Babies & Children’s Hospital, University Hospitals Case Medical Center, Case Western Reserve University School of Medicine, Cleveland, Ohio;
2. Department of Medicine, Brigham and Women’s Hospital and Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts;
3. Department of Pediatrics, Sleep Center, Children’s Hospital of Philadelphia, and
4. Division of Respiratory Diseases, Boston Children’s Hospital, Boston, Massachusetts;
5. Department of Pediatrics, Cardinal Glennon Children’s Medical Center, Saint Louis University, St Louis, Missouri;
6. Department of Pediatrics, Children’s Hospital at Montefiore and Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York;
7. Department of Pediatrics, Pittsburgh Children’s Hospital, University of Pittsburgh, Pittsburgh, Pennsylvania;
8. Departments of Otolaryngology and
9. Departments of Otolaryngology and Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas; and
10. Department of Otolaryngology/Head & Neck Surgery, University of Nebraska College of Medicine, University of Nebraska Medical Center, Omaha, Nebraska
11. Department of Biostatistics and Epidemiology, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania;
12. Neurology and Sleep Disorders Center, University of Michigan, Ann Arbor, Michigan;