| Affiliation: | 1. International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, PR China;2. Institute of Embryo‐Fetal Original Adult Disease Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, PR China;3. Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, PR China;4. Department of Orthopedics, The Chinese People's Liberation Army 463 Hospital, Shen Yang, Liaoning Province, PR China;5. Reproductive Medical Center, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, PR China |
