1. Medical Faculty, Department of Cardiology, Recep Tayyip Erdoğan University, Rize, Turkey;
2. Department of Cardiology, Rize Education and Research Hospital, Rize, Turkey;
3. Department of Cardiology, Katip Çelebi University, Atatürk Education and Research Hospital, İzmir, Turkey;
4. Department of Cardiology, Kaçkar State Hospital, Rize, Turkey;
5. Department of Cardiology, Acıbadem Atakent University Hospital, Istanbul, Turkey