1. Sichuan University; West China School of Public Health; South Renmin Road No. 16 Chengdu Sichuan Province China 610041
2. Fujian Medical University; School of Public Health; Fujian China
3. West China Hospital, Sichuan University; Key Laboratory of Transplant Engineering and Immunology, Ministry of Health, Regenerative Medicine Research Center; No. 37, Guo Xue Xiang Chengdu Sichuan China 610041
4. Yunnan Center for Disease Control and Prevention; Division for Chronic non-communicable Disease Prevention and Control; Kunming China
5. The General Hospital of the People's Liberation Army (PLAGH) (also Hospital 301); Department of Neurology; No. 28, Fuxing Road Beijing Beijing China 100853
6. West China College of Stomatology, Sichuan University; State Key Laboratory of Oral Diseases; No. 14, Section Three, Ren Min Nan Road Chengdu Sichuan China 610041
7. Guangdong Shenzhen Dental Centre; Department of Implant; Shenzhen China 518001
8. Hangzhou Center for Disease Control and Prevention; Hangzhou China
9. Fujian Medical University; Department of Occupational and Environmental Medicine, School of Public Health; Fuzhou China
10. West China School of Public Health, Sichuan University; Department of Epidemiology; No 17 Renmin Rd South Chengdu Sichuan China 6100041