[1] Kaiser Permanente Oakland Med Ctr, Dept Head & Neck Surg, Oakland, CA USA
[2] Icahn Sch Med Mt Sinai, Dept Otolaryngol Head & Neck Surg, One Gustave L Levy Pl, New York, NY 10029 USA
[3] Univ Penn, Perelman Sch Med, Philadelphia, PA 19104 USA
[4] Univ Calif Irvine, Sch Med, Irvine, CA 92717 USA