1. Dept. of Cardiology, Karsiyaka State Hospital, Izmir, Turkey
2. Dept. Cardiology, Katip Celebi University Ataturk Training and Research Hospital, Izmir, Turkey
3. Dept. of Internal Medicine, Katip Celebi University Ataturk Training and Research Hospital, Izmir, Turkey
4. Dept. of Cardiology Dokuz Eylül University Faculty of Medicine, Izmir, Turkey
5. Dept. of Nuclear Medicine, Dokuz Eylül University Faculty of Medicine, Izmir, Turkey.