1. Faculty of Medicine; Cardiology Department; Bozok University; Yozgat Turkey
2. Faculty of Medicine; Cardiology Department; İnönü University; Malatya Turkey
3. Faculty of Medicine; Cardiology Department; Ordu University; Ordu Turkey
4. Cardiology Department; Malatya Training and Research Hospital; Malatya Turkey
5. Faculty of Medicine; Clinic of Medical Biochemistry; Inönü University; Malatya Turkey