1. Department of Endocrinology and Metabolism Disease, Firat University School of Medicine, Elazig 23119, Turkey
2. Department of Medical Biochemistry and Clinical Biochemistry (Firat Hormones Research group), Firat University Hospital, Elazig, Turkey
3. Department of Internal Medicine, Firat University Hospital, Elazig, Turkey
4. Department of Medical Biology, School of Medicine, Erzincan Binali Yildirim University, Erzincan, Turkey
5. Department of Nephrology, Firat University Hospital, Elazig, Turkey
6. Department of Gastroenterology, Medical Park Hospital, Gaziantep, Turkey
7. Department of Gastroenterology, Tokat Medical Park Hospital, Tokat, Turkey