1. Section of Biochemistry, Institute of Cardiology, Istanbul University, Istanbul, Turkey
2. Department of Cardiology, Istanbul University, Istanbul, Turkey
3. Department of Public Health, Cerrahpaşa Medical Faculty, Istanbul University, Istanbul, Turkey
4. Department of Cardiology, Dicle University, Diyarbakir, Turkey
5. Department of Biochemistry, Istanbul Medical Faculty, Istanbul University, Istanbul, Turkey