1. Institute of Reproductive Medicine, School of Medicine, Nantong University, Nantong 226001, China
2. Department of Occupational Medicine and Environmental Toxicology, Nantong Key Laboratory of Environmental Toxicology, School of Public Health, Nantong University, Nantong 226019, China
3. Center for Reproductive Medicine, Affiliated Maternity and Child Health Care Hospital of Nantong University, Nantong 226018, China
4. Nantong Institute of Genetics and Reproductive Medicine, Affiliated Maternity and Child Healthcare Hospital of Nantong University, Nantong 226018, China
5. Nantong Key Laboratory of Genetics and Reproductive Medicine, Nantong 226018, China