1Division of Pediatric Urology, Department of Surgery, Texas Children's Hospital, Houston, TX, USA
2Scott Department of Urology, Baylor College of Medicine, Houston, TX, USA
3Department of Pediatric Surgery, Faculty of Medicine, Hitit University, Çorum, Turkey
4Department of Radiology, Dr.Sami Ulus Maternity, Children's Health and Diseases Training and Research Hospital, Ankara, Turkey
5Department of Biostatistics, Faculty of Medicine, Hitit University, Çorum, Turkey
6Department of Pathology, Faculty of Medicine, Hitit University, Çorum, Turkey
7Department of Radiology, Faculty of Medicine, Hitit University, Çorum, Turkey