1. Department of Cardiology, Cankiri State Hospital, Cankiri, Turkey
2. Department of Cardiology, Ankara Numune Education and Research Hospital, Ankara, Turkey
3. Department of Cardiology, Istanbul Bakırkoy Dr. Sadi Konuk Training and Research Hospital, Istanbul, Turkey
4. Department of Clinical Biochemistry, Istanbul Gaziosmanpaşa Taksim Training and Research Hospital, Istanbul, Turkey