1. Department of Oral and Maxillofacial Surgery, State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China
2. Department of Stomatology, Zhoushan Hospital, Wenzhou Medical University, Zhoushan, Zhejiang 316021, P.R. China
3. Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei Provincial Cooperative Innovation Center of Industrial Fermentation, Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, Hubei 430068, P.R. China