1. Department of Medical Genetics; Duzce University, Medical School; Duzce 81620; Turkey
2. Department of Medical Biology; Erciyes University, Medical School; Kayseri; Turkey
3. Division of Endocrinology, Department of Internal Medicine; Erciyes University, Medical School; Kayseri; Turkey
4. Department of Pathology; Erciyes University, Medical School; Kayseri; Turkey