1. Institute for Endemic and Chronic and Non-communicable Diseases, Fujian Provincial Center for Disease Control and Prevention, Fuzhou, Fujian,350012, China
2. Department of Epidemiology and Health Statistics, The School of Public Health, Fujian Medical University, Fuzhou, Fujian,350122, China
3. National Center for Chronic and Non-Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing,100050, China
4. Department of Epidemiology and Biostatistics, School of Public Health, Wuhan University, Wuhan, Hubei,430071, China.