1. State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China
2. Department of Stomatology, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China