1. Department of Periodontology, National Center 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 Peking University School and Hospital of Stomatology Beijing China
2. College of Engineering Peking University Beijing China
3. Institute of Ocean Research Peking University Beijing China
4. Institute of Ecology Peking University Beijing China
5. NHC Research Center of Engineering and Technology for Computerized Dentistry Peking University Beijing China