1. Department of Anatomy, Histology & Embryology; Key Laboratory of Medical Imaging Computing and Computer Assisted Intervention of Shanghai; Institute of Reproduction and Development; Shanghai Medical College; Fudan University; Shanghai China
2. Shanghai Ji Ai Genetics and IVF Institute; Obstetrics and Gynecology Hospital; Institute of Reproduction and Development; Fudan University; Shanghai China
3. Institute of Reproduction and Development; Shanghai Medical College; Fudan University; National Population and Family Planning Key Laboratory of Contraceptive Drugs & Devices; Shanghai Institute of Planned Parenthood Research; Shanghai China
4. School of Biomedical Sciences; The University of Hong Kong; Hong Kong SAR China
5. Department of Biological Sciences; University of Delaware; Newark DE USA