1. Pediatric Endocrinology and Diabetes Marmara University School of Medicine Başıbüyük Mah. Maltepe Başıbüyük Yolu Sok. No:9/2 Istanbul 34854 Türkiye
2. Division of Bone and Mineral Diseases, Department of Internal Medicine Washington University School of Medicine St. Louis MO USA
3. Center for Metabolic Bone Disease and Molecular Research Shriners Hospitals for Children St. Louis MO USA
4. Medical Genetics Marmara University Faculty of Medicine Istanbul Turkey