1. Department of Otorhinolaryngology; Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai China
2. Department of Head and Neck Surgery; Renji Hospital of Shanghai Jiaotong University School of Medicine; Shanghai China
3. Otolaryngological Institute of Shanghai Jiaotong University; Shanghai China
4. Department of Pathology; Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai China