1. Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
2. Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, MOE Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
3. School of Public Health, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
4. Hubei Center for Disease Control and Prevention, Wuhan, Hubei 430079, P.R. China