1. Department of Internal Medicine (Endocrinology and Metabolism Diseases), School of Medicine, Firat University, Elazig, Turkey
2. Department of Pediatric (Metabolism Diseases), School of Medicine, Firat University, Elazig, Turkey
3. Department of Medical Biochemistry and Clinical Biochemistry (Firat Hormones Research Group), Medical School, Firat University, Elazig, Turkey