1. Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
2. Department of Toxicology and Sanitary Chemistry, School of Public Health, Tianjin Medical University, Tianjin, China
3. Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
4. Nutrition and Radiation Epidemiology Research Center, Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
5. Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China
6. Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, China