1. Sichuan University of Arts and Science, Dazhou, People’s Republic of China
2. West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, People’s Republic of China
3. Liangshan Center for Disease Control and Prevention, Xichang, People’s Republic of China
4. Sichuan Center for Disease Control and Prevention, Chengdu, People’s Republic of China
5. International Initiative on Spatial Lifecourse Epidemiology (ISLE), Hong Kong, People’s Republic of China