1. Tumor Hospital of Nantong City, Nantong, China.
2. Department of Gynecologic Oncology, Fudan University Cancer Hospital, Shanghai, China.
3. Nanjing Maternity and Child Health Hospital, Nanjing Medical University, Nanjing, China.
4. Ministry of Education (MOE) Key Laboratory of Modern Toxicology, Department of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, China.
5. Section of Clinical Epidemiology, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University, Nanjing, China.
6. State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.