| Affiliation: | 1Department of Obstetrics and Gynecology, Southwest Hospital, Third Military Medical University, Chongqing 430038, People's Republic of China 2Imperial College Parturition Research Group, Department of Maternal Fetal Medicine, Imperial College School of Medicine, Chelsea and Westminster Hospital, 369 Fulham Road, London SW10 9NH, UK 3Imperial College Parturition Research Group, Institute of Reproductive and Developmental Biology, Hammersmith Hospital Campus DuCane Road, London W12 0NN, UK 4Department of Obstetrics and Gynecology, University of Cincinnati College of Medicine, 21 Bethesda Avenue, Cincinnati, OH 45267, USA |
