1Medical Corps, Israel Defense Forces, Ramat Gan, Israel
2Pediatric Orthopedics Unit, Department of Orthopedic Surgery, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
3Department of Bone Marrow Transplantation and Cancer Immunotherapy, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
4Pediatric Orthopedics Unit, Assuta Ashdod Medical Center, Ashdod, Israel