1. Altınbaş University Bahçelievler Medical Park Hospital, Clinic of Pediatric Hematology, Oncology and Pediatric Bone Marrow Transplantation, İstanbul, Turkey
2. Düzce University Faculty of Medicine, Department of Pediatric Rheumatology, Düzce, Turkey
3. İstanbul Medeniyet University Göztepe Training and Research Hospital, Clinic of Pediatric Endocrinology, İstanbul, Turkey