[1] Penn State Univ, Coll Med, Hershey, PA USA
[2] Univ Arkansas Med Sci, Dept Otolaryngol Head & Neck Surg, Little Rock, AR USA
[3] Childrens Hosp Los Angeles, Div Otolaryngol Head & Neck Surg, Los Angeles, CA USA
[4] Penn State Univ, Coll Med, Dept Publ Hlth Sci, Hershey, PA USA
[5] Stony Brook Med, Dept Surg, Div Otolaryngol, New York, NY USA
[6] Stony Brook Med, Dept Surg, Div Otolaryngol, HSC T19-068, Stony Brook, NY 11794 USA