Huazhong University of Science and Technology - Department of Occupational & Environmental Health, Huazhong University of Science and Technology - Department of Occupational & Environmental Health, Huazhong University of Science and Technology - Department of Occupational & Environmental Health, Huazhong University of Science and Technology - Department of Occupational & Environmental Health, Huazhong University of Science and Technology - Department of Occupational & Environmental Health, Huazhong University of Science and Technology - Department of Occupational & Environmental Health, Huazhong University of Science and Technology - Department of Occupational & Environmental Health, Huazhong University of Science and Technology - Department of Occupational & Environmental Health, Huazhong University of Science and Technology - Department of Occupational & Environmental Health, Huazhong University of Science and Technology - Department of Occupational & Environmental Health, Huazhong University of Science and Technology - Department of Occupational & Environmental Health and Chongqing Population and Family Planning Science and Technology Research Institute - Key Laboratory of Birth Defects and Reproductive Health of the National Health and Family Planning Commission