1. Shanxi Key Laboratory of Otorhinolaryngology Head and Neck Cancer, Department of Otolaryngology, Head & Neck Surgery, The First Hospital, Shanxi Medical University, Taiyuan 030001, Shanxi, China
2. College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, China
3. Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Northwest A&F University, Yangling 712100, Shaanxi, China