1. Biruni University, Medical Faculty, Orthopedics and Traumatology Department, Istanbul, Turkey
2. Bahgelievler State Hospital, Department of Pediatrics, Istanbul, Turkey
3. Erzurum Karayazi State Hospital, Department of Pediatrics, Erzurum, Turkey
4. Bahgelievler State Hospital, Orthopedics and Traumatology Department, Istanbul, Turkey
5. GOP Taksim Training and Research Hospital, Physical Medicine and Rehabilitation, Istanbul, Turkey