1. Department of Gastroenterology, Faculty of Medicine, Ufuk University Hospital, 06520 Ankara, Turkey
2. Department of Cardiology, Faculty of Medicine, Ufuk University Hospital, 06520 Ankara, Turkey
3. Department of Cardiology, Faculty of Medicine, Gazi University Hospital, 06500 Ankara, Turkey
4. Department of Internal Medicine, Ankara Numune Education and Research Hospital, 06640 Ankara, Turkey
5. Department of Endocrinology, Ankara Guven Hospital, 06540 Ankara, Turkey