[1] Med Univ South Carolina, Dept Otolaryngol Head & Neck Surg, Charleston, SC 29425 USA
[2] Med Univ South Carolina, Dept Publ Hlth Sci, Charleston, SC 29425 USA
[3] Med Univ South Carolina, Dept Radiat Oncol, Charleston, SC 29425 USA
[4] Med Univ South Carolina, Div Med Oncol, Charleston, SC 29425 USA
[5] Med Univ South Carolina, Hollings Canc Ctr, Charleston, SC 29425 USA
[6] Univ South Carolina, Arnold Sch Publ Hlth, Dept Epidemiol & Biostat, Columbia, SC 29208 USA
[7] Univ Illinois, Off Populat Sci, Chicago, IL USA
[8] Amer Board Otolaryngol Head & Neck Surg, Houston, TX USA
[9] Univ Southern Calif, Keck Sch Med, Dept Populat & Publ Hlth Sci, Los Angeles, CA 90007 USA