1. Department of Obstetrics The First Affiliated Hospital of Chongqing Medical University Chongqing China
2. International Collaborative Laboratory of Reproduction and Development, Ministry of Education Chongqing Medical University Chongqing China
3. State Key Laboratory of Maternal and Fetal Medicine of Chongqing Municipality The First Affiliated Hospital of Chongqing Medical University Chongqing China
4. Department of Reproduction Health and Infertility The First Affiliated Hospital of Chongqing Medical University Chongqing China
5. Cancer, Disease and Developmental Epigenetics Murdoch Children's Research Institute Parkville Victoria Australia
6. Department of Pediatrics University of Melbourne Parkville Victoria Australia
7. College of Life Sciences University of Leicester Leicester UK
8. Institute of Metabolism and System Research University of Birmingham Birmingham UK
9. Fetal Medicine Centre Birmingham Women's & Children's Foundation Trust Birmingham UK