1. Department of Dental Implant Center, Stomatologic Hospital & College, Key Laboratory of Oral Diseases Research of Anhui Province, Anhui Medical University, Hefei 230032, People’s Republic of China
2. Hangzhou Stomatological Hospital, University of Chinese Academy of Sciences, Hangzhou 310002, People’s Republic of China
3. Department of Oral Surgery, Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai 200001, P.R. China