1. Department of Urology, Shanghai Children’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
2. Urogenital Development Research Center, Shanghai Children’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
3. Clinical Research Center for Hypospadias, Pediatric College, Shanghai Jiao Tong University School of Medicine, Shanghai 200062, China