[1] Ohio State Univ, Coll Med, Columbus, OH USA
[2] Ohio State Wexner Med Ctr, Dept Otolaryngol Head & Neck Surg, Columbus, OH USA
[3] Univ Texas Hlth Sci Ctr Houston, Dept Otolaryngol Head & Neck Surg, Houston, TX 77030 USA
[4] Univ Texas Hlth Sci Ctr Houston, McGovern Med Sch, Houston, TX USA
[5] Nationwide Childrens Hosp, Dept Otolaryngol Head & Neck Surg, Columbus, OH USA