1. Department of Cardiology, Erzurum Bolge Training & Research Hospital, University of Health Sciences, Erzurum, 25030, Turkey
2. Department of Cardiology, Gumushane State Hospital, Gumushane, 29010, Turkey
3. Department of Cardiology, Pursaklar State Hospital, Ankara, 06145, Turkey
4. Department of Cardiology, Dışkapı Yıldırım Beyazıt Training & Research Hospital, University of Health Sciences, Ankara, 06145, Turkey
5. Department of Cardiology, Karabuk Training & Research Hospital, Karabuk, 78020, Turkey
6. Department of Cardiology, Eskişehir Yunus Emre State Hospital, Eskişehir, 26000, Turkey