1. Department of Cardiology, Ankara Dişkapi Yildirim Beyazit Training and Research Hospital, Ankara, Turkey
2. Department of Cardiology, Health Sciences University, Sultan Abdülhamid Han Training and Research Hospital, Istanbul, Turkey
3. Department of Cardiology, Sivas Numune Hospital, Sivas, Turkey
4. Department of Cardiology, Kafkas University, Kars, Turkey
5. Department of Cardiology, Bezmialem Vakif University, Istanbul, Turkey