Tehran University of Medical Sciences Iranian Journal of Public Health 2251-6085 48 3 2019 03 12 554 555 Hua ZHANG Department of Medical Insurance, School of Public Health, Southeast University, Nanjing, Jiangsu, China AND Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China Mingdong HUO Zhongda Hospital Affiliated to Southeast University, Nanjing, Jiangsu, China Yao TONG Department of Medical Insurance, School of Public Health, Southeast University, Nanjing, Jiangsu, China Pei LIU Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China AND Department of Epidemiology and Biostatistics, School of Public Health, Southeast University, Nanjing, Jiangsu, China 2019 03 12 No Abstract### https://ijph.tums.ac.ir/index.php/ijph/article/view/16543 https://ijph.tums.ac.ir/index.php/ijph/article/download/16543/6339