1. Jiangsu Province Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China, Centre of Clinical Reproductive Medicine, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
2. Centre of Clinical Reproductive Medicine, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
3. Jiangsu Province Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China
4. Stem Cell Laboratory, Fujian Second People's Hospital, Fuzhou, China
5. Jiangsu Province Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China, Centre of Clinical Reproductive Medicine, First Affiliated Hospital of Nanjing Medical University, Nanjing, China,