1. Department of Medical Statistics and Epidemiology; School of Public Health; Sun Yat-sen University; Guangzhou People's Republic of China
2. Guangdong Provincial Key Laboratory of Food, Nutrition and Health; School of Public Health; Sun Yat-sen University; Guangzhou People's Republic of China
3. Guangzhou Key Laboratory of Environmental Pollution and Health Risk Assessment; School of Public Health; Sun Yat-sen University; Guangzhou People's Republic of China
4. Guangzhou Women and Children's Medical Center; Guangzhou Medical University; Guangzhou People's Republic of China
5. Department of Colorectal Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine; Guangzhou People's Republic of China
6. Department of Experimental Research, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine; Guangzhou People's Republic of China