1. Department of Otolaryngology; Zhujiang Hospital, Southern Medical University; Guangzhou Guangdong People's Republic of China
2. Department of Otolaryngology Head and Neck Surgery, Guangdong General Hospital; Guangdong Academy of Medical Sciences; Guangzhou Guangdong People's Republic of China
3. Department of Otolaryngology; National University of Singapore, National University Health System, Singapore; Singapore
4. Department of Otolaryngology Head and Neck Surgery, First Affiliated Hospital; Zhengzhou University; Zhengzhou Henan People's Republic of China
5. Department of Otolaryngology-Head and Neck Surgery; the 5th Affiliated Hospital of Sun Yat-sen University; Zhuhai Guangdong People's Republic of China
6. Department of Pathology; Zhujiang Hospital, Southern Medical University; Guangzhou Guangdong People's Republic of China
7. Department of Otolaryngology Head and Neck Surgery; Third Affiliated Hospital of Guangzhou Medical University; Guangzhou Guangdong People's Republic of China
8. Department of Otolaryngology; Pham Ngoc Thach University of Medicine; Ho Chi Minh City Vietnam
9. Department of Otolaryngology; The Second Hospital of Shandong University; Jinan People's Republic of China
10. Department of Otorhinolaryngology-Head and Neck Surgery; The Third Affiliated Hospital of Sun Yat-Sen University; Guangzhou Guangdong People's Republic of China
11. Academic Unit of Respiratory Medicine, Department of Infection, Immunity and Cardiovascular Disease; University of Sheffield; Sheffield United Kingdom