[1] Walter Reed Natl Mil Med Ctr, Dept Otolaryngol Head & Neck Surg, Bethesda, MD USA
[2] Univ Arkansas, Dept Otolaryngol Head & Neck Surg, Little Rock, AR 72204 USA
[3] Univ Texas MD Anderson Canc Ctr, Dept Head & Neck Surg, 1515 Holcombe Blvd,Unit 1445, Houston, TX 77030 USA
[4] Univ Texas MD Anderson Canc Ctr, Dept Radiat Oncol, Houston, TX 77030 USA
[5] Univ Texas MD Anderson Canc Ctr, Dept Symptom Res, Houston, TX 77030 USA
[6] Ain Shams Univ, Dept Clin Oncol & Nucl Med, Cairo, Egypt
[7] Univ Texas MD Anderson Canc Ctr, Div Canc Prevent & Populat Sci, Houston, TX 77030 USA
[8] Univ Texas MD Anderson Canc Ctr, Dept Canc Survivorship, Houston, TX 77030 USA