1. Department of Otorhinolaryngology–Head and Neck Surgery China‐Japan Friendship Hospital Beijing China
2. Department of Otorhinolaryngology–Head and Neck Surgery The First People's Hospital of Yinchuan Yinchuan China
3. Department of Otorhinolaryngology The First People′s Hospital of Yunnan Province Kunming China
4. Department of Otorhinolaryngology & Clinical Allergy Center, The First Affiliated Hospital Nanjing Medical University Nanjing China
5. Department of Otorhinolaryngology–Head and Neck Surgery The First Affiliated Hospital of Chongqing Medical University Chongqing China