[1] Univ Kentucky, Dept Otolaryngol Head & Neck Surg, Markey Canc Ctr, Lexington, KY USA
[2] Sharp Mem, Dept Otolaryngol, San Diego, CA USA
[3] Univ Oklahoma, Dept Otolaryngol, Oklahoma City, OK USA
[4] H Lee Moffitt Canc Ctr & Res Inst, Dept Head & Neck Endocrine Oncol, Tampa, FL USA
[5] West Virginia Univ, Dept Radiat Oncol, Morgantown, WV USA
[6] Univ Alabama Birmingham, Dept Otolaryngol Head & Neck Surg, Birmingham, AL USA
[7] Univ Tennessee, Dept Otolaryngol Head & Neck Surg, Memphis, TN USA