1. 1 Department of Medical statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, People’s Republic of China
2. 2 Department of Nutrition, Guangdong Engineering Technology Research Center of Nutrition Translation, Guangzhou, People’s Republic of China
3. 3 Department of Drug Abuse Control, Center for ADR monitoring of Guangdong, Guangzhou, People’s Republic of China
4. 4 School of Public Health, Université Libre de Bruxelles (ULB), Bruxelles, Belgium
5. 5 Research Center for Public Health, Tsinghua University, Beijing, People’s Republic of China