1. Department of Cardiovascular Surgery, Education and Research Hospital, Health Science University, Elazig Campus, 23100 Elazig, Turkey
2. Department of Internal Medicine, Endocrine and Metabolic Diseases, Medical School, Firat University, 23119 Elazig, Turkey
3. Department of Medical Biochemistry and Clinical Biochemistry, Firat Hormones Research Group, Medical School, Firat University, 23119 Elazig, Turkey