[1] Massachusetts Eye & Ear, Dept Otolaryngol, Boston, MA USA
[2] Brigham & Womens Hosp, Div Sleep & Circadian Disorders, 75 Francis St, Boston, MA 02115 USA
[3] Harvard Pilgrim Hlth Care Inst, Dept Populat Med, Boston, MA USA
[4] Harvard Med Sch, Boston, MA 02115 USA
[5] Cincinnati Childrens Hosp Med Ctr, Dept Pediat, Cincinnati, OH 45229 USA
[6] Eastern Virginia Med Sch, Dept Otolaryngol, Norfolk, VA 23501 USA
[7] Childrens Hosp Kings Daughters, Dept Pediat Sleep Med, Norfolk, VA USA
[8] Childrens Hosp Philadelphia, Div Otolaryngol, Philadelphia, PA 19104 USA
[9] Univ Michigan, Dept Otolaryngol Head & Neck Surg, Ann Arbor, MI 48109 USA
[10] Childrens Hosp Philadelphia, Div Dev & Behav Pediat, Philadelphia, PA 19104 USA
[11] Univ Hosp Rainbow Babies & Childrens Hosp, Dept Pediat Pulmonol, Cleveland, OH USA
[12] Univ Cincinnati, Coll Med, Dept Otolaryngol Head & Neck Surg, Cincinnati, OH USA
[13] Cincinnati Childrens Hosp Med Ctr, Div HealthVine, Cincinnati, OH 45229 USA
[14] Univ Texas Southwestern Med Ctr Dallas, Dept Pediat, Dallas, TX USA
[15] Univ Texas Southwestern Med Ctr Dallas, Dept Otolaryngol, Dallas, TX 75390 USA
[16] Childrens Hosp Philadelphia, Dept Pediat, Div Pulm & Sleep Med, Philadelphia, PA 19104 USA
[17] Nationwide Childrens Hosp, Abigail Wexner Res Inst, Columbus, OH USA
[18] Ohio State Univ, Dept Pediat, Columbus, OH 43210 USA
[19] Harvard Med Sch, Div Sleep Med, Boston, MA 02115 USA