1. Division of Pediatric Endocrinology, Department of Pediatrics, Faculty of Medicine Siriraj Hospital Mahidol University Bangkok Thailand
2. Research Group and Research Network Division, Research Department, Faculty of Medicine Siriraj Hospital Mahidol University Bangkok Thailand
3. Division of Pediatric Hematology and Oncology and Thalassemia Center, Department of Pediatrics, Faculty of Medicine Siriraj Hospital Mahidol University Bangkok Thailand