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