Brent A Chang1, Ameya A Asarkar1,2, Cherie-Ann O Nathan1,2. 1. Department of Otolaryngology/Head and Neck Surgery, Louisiana State University Health Sciences Center and Feist-Weiller Cancer Center, Shreveport, Louisiana, U.S.A. 2. Department of Surgery, Overton Brooks Veterans Affairs Medical Center, Shreveport, Louisiana, U.S.A.