1 Department of Otorhinolaryngology-Head and Neck Surgery, McGovern Medical School at the University of Texas Health Science Center, Houston, Texas, USA.
2 Division of Cancer Medicine, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
3 Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.