Affiliation: | 1. Department of Head and Neck Surgery , The University of Texas M.D. Anderson Cancer Center, Houston, Texas, U.S.A.;2. Department of Otolaryngology , The University of Texas Medical School at Houston, Houston, Texas, U.S.A.;3. Department of Plastic Surgery , The University of Texas M. D. Anderson Cancer Center, Houston, Texas, U.S.A. |