1. Cardiology, Hisar İntercontinental Hospital, İstanbul, Turkey
2. Faculty of Medicine, Cardiology, Erzurum Atatürk University, Erzurum, Turkey
3. Cardiology, Erzurum Training and Research Hospital, İstanbul, Turkey
4. İstanbul Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital, Cardiology, İstanbul, Turkey
5. Cardiology, İstanbul Kartal Koşuyolu Training and Research Hospital, İstanbul, Turkey
6. Faculty of Medicine, Cardiology, İstanbul Nişantaşı University, İstanbul, Turkey