[1] Seattle Childrens Hosp, Div Pediat Otolaryngol Head & Neck Surg, Seattle, WA 98105 USA
[2] Univ Washington, Dept Otolaryngol Head & Neck Surg, Seattle, WA 98195 USA
[3] Boys Town Natl Res Hosp, Omaha, NE 68131 USA
[4] Harvard Univ, Massachusetts Eye & Ear Infirm, Sch Med, Dept Otolaryngol, Boston, MA USA
[5] Harvard Univ, Sch Med, Dept Otol & Laryngol, Boston, MA 02115 USA
[6] Childrens ENT Houston, Houston, TX USA
[7] Univ Washington, Dept Radiol, Seattle Childrens Hosp, Seattle, WA 98195 USA
[8] Univ Washington, Dept Oral & Maxillofacial Surg, Seattle Childrens Hosp, Seattle, WA 98195 USA
[9] Baylor Coll Med, Dept Otolaryngol, Houston, TX 77030 USA
[10] Baylor Coll Med, Div Plast Surg, Houston, TX 77030 USA
[11] Weill Cornell Coll Med, Dept Otolaryngol, New York, NY USA
[12] Univ Texas Houston, Sch Med, Dept Otolaryngol, Houston, TX USA