1. Department of Cardiology, Hacettepe University Faculty of Medicine, 06100 Sihhiye, Ankara, Turkey
2. Cardiology Clinics, Konya Training and Research Hospital, 42090, Meram Konya, Turkey
3. Department of Cardiology, Selcuk University Faculty of Medicine, 42075 Selcuklu Konya, Turkey
4. Department of Cardiology, Hacettepe University, Faculty of Medicine, 06100 Sihhiye, Ankara, Turkey