1. Department of Cardiology, Usak University, Training and Research Hospital, Usak, Turkey
2. Department of Cardiology, Ordu University, Faculty of Medicine, Ordu, Turkey
3. Department of Cardiology, University of Health Sciences, Adana Training and Research Hospital, Adana, Turkey
4. Department of Cardiology, Adiyaman University, Training and Research Hospital, Adiyaman, Turkey
5. Department of Cardiology, Cumhuriyet University, Faculty of Medicine, Sivas, Turkey