1. Department of Otorhinolaryngology Head and Neck Surgery First Affiliated Hospital, Chengdu Medical College Chengdu People's Republic of China
2. Department of Pathology First Affiliated Hospital, Chengdu Medical College Chengdu People's Republic of China
3. Department of Biomedical Science Chengdu Medical College Chengdu People's Republic of China
4. Department of Otorhinolaryngology Head and Neck Surgery Tangdu Hospital, Chinese People's Liberation Army Air Force Military Medical University Xi’ an People's Republic of China