Affiliation: | 1. Department of Cardiology, Turkey Yuksek Ihtisas Training and Research Hospital, Ankara, Turkey;2. Department of Chest Diseases, Ataturk Heart Diseases and Thoracic Surgery Training and Research Hospital, Ankara, Turkey;3. Department of Cardiology, Diskapi Yildirim Beyazit Training and Research Hospital, Ankara, Turkey;4. Department of Cardiology, Ankara Ataturk Training and Research Hospital, Ankara, Turkey |