1. Department of Clinical Laboratory Medicine, Institution of microbiology and infectious diseases, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
2. The Affiliated Changsha Central Hospital, Department of Otolaryngology Head and Neck Surgery,Hengyang Medical School, University of South China, Changsha, Hunan, China
3. Institute of Otolaryngology Head and Neck Surgery, Hengyang Medical School, University of South China, Changsha, Hunan, China
4. Department of Clinical Laboratory, Changsha Central Hospital, University of South China, Changsha, Hunan, China