[1] Brigham & Womens Hosp, Div Sleep & Circadian Disorders, 75 Francis St, Boston, MA 02115 USA
[2] Massachusetts Eye & Ear Infirm, Dept Otolaryngol, 243 Charles St, Boston, MA 02114 USA
[3] Childrens Hosp Philadelphia, Div Dev & Behav Pediat, Philadelphia, PA 19104 USA
[4] Case Western Reserve Univ, Sch Med, Dept Pediat, Cleveland, OH 44106 USA
[5] Cincinnati Childrens Hosp Med Ctr, Dept Pediat, Cincinnati, OH 45229 USA
[6] Eastern Virginia Med Sch, Dept Otolaryngol Head & Neck Surg, Childrens Hosp Kings Daughters Dept Pediat Sleep, Norfolk, VA 23501 USA
[7] Univ Michigan, Dept Neurol, Ann Arbor, MI USA
[8] Childrens Hosp Philadelphia, Div Otolaryngol, Philadelphia, PA 19104 USA
[9] Childrens Hosp Philadelphia, Dept Pediat, Philadelphia, PA 19104 USA
[10] Univ Michigan, Dept Otolaryngol Head & Neck Surg, Ann Arbor, MI 48109 USA
[11] Univ Cincinnati, Coll Med, Dept Otolaryngol Head & Neck Surg, Cincinnati, OH USA
[12] Cincinnati Childrens Hosp Med Ctr, Div Otolaryngol Head & Neck Surg, Cincinnati, OH USA
[13] Univ Texas Southwestern, Dept Otolaryngol, Dallas, TX USA
[14] Univ Texas Southwestern, Dept Pediat, Dallas, TX USA
[15] Univ Hosp Rainbow Babies & Childrens Hosp, Dept Pediat, Cleveland, OH USA
[16] Univ Hosp Rainbow Babies & Childrens Hosp, Dept Otolaryngol, Cleveland, OH USA
[17] Harvard TH Chan Sch Publ Hlth, Dept Epidemiol, Boston, MA USA