1. The Guangdong and Shenzhen Key Laboratory of Male Reproductive Medicine and Genetics; Peking University Shenzhen Hospital, Institute of Urology of Shenzhen PKU-HKUST Medical Center; Shenzhen P.R. China
2. Assisted Reproduction Unit, Department of Obstetrics and Gynecology; Sir Run Run Shaw Hospital, Zhejiang University School of Medicine; Hangzhou P.R. China