1. Department of Otorhinolaryngology Head and Neck Surgery, The Affiliated Lihuili Hospital, Ningbo University, Ningbo, Zhejiang, China
2. Department of Otorhinolaryngology Head and Neck Surgery, Ningbo Medical Centre Lihuili Hospital, Ningbo, Zhejiang, China
3. School of Medicine, Ningbo University, Ningbo, Zhejiang, China