[1] Stanford Univ, Lucile Packard Childrens Hosp Stanford, Dept Surg,Neonatal & Pediat Craniofacial Airway Or, Div Plast & Reconstruct Surg,Sch Med, Palo Alto, CA USA
[2] Stanford Univ, Lucile Packard Childrens Hosp Stanford, Dept Otolaryngol Head & Neck Surg, Div Pediat Otolaryngol,Sch Med, Palo Alto, CA USA
[3] Ewha Womans Univ, Coll Med, Dept Oral & Maxillofacial Surg, Seoul, South Korea
[4] Kyung Hee Univ, Sch Dent, Dept Orthodont, Seoul, South Korea
[5] Stanford Univ, Stanford Surg Policy Improvement Res & Educ Ctr S, Dept Surg, Biostat,Sch Med, Palo Alto, CA USA
[6] Stanford Univ, Dept Psychiat & Behav Sci, Div Sleep Med, Sch Med, Palo Alto, CA USA