1. Department of Orthodontics, Peking University School and Hospital of Stomatology; National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology; Beijing Key Laboratory of Digital Stomatology, Beijing, China
2. Center of Digital Dentistry, Peking University School and Hospital of Stomatology; National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology; Beijing Key Laboratory of Digital Stomatology, Beijing, China
3. Central Laboratory, Peking University School and Hospital of Stomatology; National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology; Beijing Key Laboratory of Digital Stomatology, Beijing, China