1. Department of Otolaryngology–Head and Neck Surgery, Johns Hopkins University, Baltimore, Maryland
2. Department of Otolaryngology–Head and Neck Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
3. Bloomberg-Kimmel Institute for Cancer Immunotherapy, Sidney Kimmel Comprehensive Cancer Center, Baltimore, Maryland
4. Division of Biostatistics and Bioinformatics, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, Maryland
5. Department of Pathology, Johns Hopkins University, Baltimore, Maryland
6. Department of Epidemiology, Johns Hopkins University, Baltimore, Maryland
7. Department of Oncology, Johns Hopkins University, Baltimore, Maryland