1. 1Department of Endocrinology and Metabolism, Faculty of Medicine, Ankara Yildirim Beyazit University, Ankara, Turkey
2. 2Department of Pathology, Ankara Ataturk Education and Research Hospital, Ankara, Turkey
3. 3Department of General Surgery, Faculty of Medicine, Ankara Yildirim Beyazit University, Ankara, Turkey
4. 4Department of Biostatistics, Faculty of Medicine, Ankara Yildirim Beyazit University, Ankara, Turkey