1. Department of Cardiology, Dr Siyami Ersek Cardiovascular and Thoracic Surgery Research and Training Hospital, Istanbul, Turkey
2. Department of Cardiology, School of Medicine, Bezmi Alem Vakif University, Istanbul, Turkey
3. Department of Cardiology, Ankara Numune Hospital, Ankara, Turkey
4. Department of Cardiology, Elazıg Research and Training Hospital, Elazıg, Turkey
5. Department of Cardiology, Amasya Sabuncu Serafeddin Research and Training Hospital, Amasya, Turkey