1. Department of Otorhinolaryngology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, HangZhou, Zhejiang, China
2. Department of Otolaryngology, Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, China
3. Department of Radiology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
4. Department of Otorhinopharyngology–Head and Neck Surgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China