1. Pediatric Urodynamic Centre, UrologyThe First Affiliated Hospital of Zhengzhou UniversityZhengzhou China
2. Department of UrologyShenzhen Children's HospitalShenzhen China
3. Xiamen Maternal and Child Health Care HospitalXiamen China
4. Pediatric SurgeryFirst Affiliated Hospital of Xinxiang Medical UniversityXinxiang China
5. Department of PediatricsAarhus University HospitalAarhus Denmark
6. Department of UrologyBoston Children's HospitalBoston Massachusetts
7. Department of UrologyBambino Gesù Children's HospitalRome Italy