1. Department of Cardiology, Muğla Sıtkı Koçman University Training and Research Hospital, Muğla, Turkey
2. Department of Cardiology, Kayseri Training and Research Hospital, Kayseri, Turkey
3. Department of Cardiology, Bülent Ecevit University Hospital of Medicine, Zonguldak, Turkey
4. Department of Cardiology, Hitit University Faculty of Medicine, Çorum, Turkey