1. Department of Cardiology, Zonguldak Bulent Ecevit University Faculty of Medicine, Zounguldak, Turkey
2. Department of Cardiology, Mehmet Akif Ersoy Thoracic & Cardiovascular Surgery Center, Training & Research Hospital, Istanbul, Turkey
3. Department of Biochemistry, Zonguldak Bulent Ecevit University Faculty of Medicine, Zounguldak, Turkey