Affiliation: | ∗ Institute of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China;† Endodontic Department, School of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China;‡ Department of Endodontics, Suzhou Stomatological Hospital, Suzhou, Jiangsu, China;§ Comprehensive Dental Care, Faculty of Dentistry, University of Hong Kong, Pokfulam, Hong Kong SAR, China |