1. 1 Department of Cardiology, Kartal Kosuyolu Training and Research Hospital, Istanbul, Turkey
2. 2 Department of Cardiology, Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital, Istanbul, Turkey
3. 3 Department of Cardiology, Faculty of Medicine, Hitit University, Çorum, Turkey
4. 4 Department of Cardiology, Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital, Istanbul, Turkey