1. Department of Otolaryngology Head and Neck Surgery, The Second Hospital of Jingzhou, Jingzhou, Hubei 434000, P.R. China
2. Hubei College of Chinese Medicine, Jingzhou, Hubei 434020, P.R. China
3. Department of Otolaryngology Head and Neck Surgery, Shishou People's Hospital, Jingzhou, Hubei 434400, P.R. China