1. Department of Cardiology University of Health Sciences Erzurum Bolge Training and Research Hospital Erzurum Turkey
2. Department of Cardiology Pursaklar State Hospital Ankara Turkey
3. Department of Cardiology University of Health Sciences Dışkapı Yıldırım Beyazıt Training and Research Hospital Ankara Turkey
4. Department of Chest Disease University of Health Sciences Erzurum Bolge Training and Research Hospital Erzurum Turkey
5. Department of Cardiology MedicalPark Hospital Tokat Turkey