1. State Key Laboratory of Reproductive Medicine and Offspring Health, Nanjing Medical University, Nanjing 211166, China
2. Department of Andrology, Center for Men’s Health, Department of ART, Institute of Urology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
3. Department of Gastrointestinal Surgery, Shanghai General Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China