1. Department of Head and Neck Surgery, David Geffen School of Medicine at University of California, Los Angeles (UCLA), Los Angeles, California, USA
2. Department of Otolaryngology–Head and Neck Surgery, University of California, San Francisco (UCSF) Medical Center, San Francisco, California, USA
3. Department of Otolaryngology–Head and Neck Surgery, University of California, Irvine Medical Center, Orange, California, USA
4. Jonsson Comprehensive Cancer Center, UCLA Medical Center, Los Angeles, California, USA
5. UCLA Head and Neck Cancer Program, UCLA Medical Center, Los Angeles, California, USA