1. Faculty of Stomatology, The First Clinical Medical School, Tongji Medical College Huazhong University of Science and Technology Hubei China
2. Department of Cardiology, Fuwai Hospital, National Center for Cardiovascular Diseases Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
3. Department of Periodontology, 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
4. Department of Cardiology The Second Hospital of Hebei Medical University Shijiazhuang China
5. Department of Geriatric Dentistry Peking University School and Hospital of Stomatology Beijing China