1. Department of Head and Neck SurgeryThe University of Texas MD Anderson Cancer CenterHouston TX
2. Department of Otolaryngology‐Head and Neck SurgeryBeijing Tongren Hospital, Capital Medical University, Key Laboratory of Otolaryngology Head and Neck SurgeryBeijing China
3. Department of EpidemiologyThe University of Texas MD Anderson Cancer CenterHouston TX
4. Department of Otorhinolaryngology and Head and Neck SurgeryYuhuangding Hospital of Qingdao UniversityYantai China
5. Duke Cancer Institute, Duke University Medical CenterDurham NC