1. Faculty of Medicine, Department of Cardiology, Kocatepe University, Afyon,
2. Practice and Research Hospital, Department of Cardiology, Baskent University, Adana
3. Adana Hospital, Biochemical Department, Baskent University, Adana
4. Faculty of Medicine, Department of Cardiology, Inonu University, Malatya, Turkey
5. Faculty of Medicine, Department of Cardiology, Kocatepe University, Afyon