1. Department of Epidemiology and Health Statistics, School of Public Health, Xiangya School of Public Health, Central South University, Changsha, People’s Republic of China
2. Department of Nutrition, School of Public Health, Sun Yat-sen University, Guangzhou, People’s Republic of China
3. Medical Department, The First Hospital of Nanchang, Nanchang, People’s Republic of China
4. Department of Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, People’s Republic of China