1. Cardiology Department Okmeydani Training ve Research Hospital Istanbul Turkey
2. Cardiology Department Istanbul University Cerrahpasa School of Medicine Istanbul Turkey
3. Cardiology Department Istanbul Gaziosmanpasa Taksim Training and Research Hospital Istanbul Turkey
4. Cardiology Department Nevsehir State Hospital Nevsehir Turkey
5. Cardiology Department Adiyaman Training ve Research Hospital Adıyaman Turkey
6. Cardiology Department Bagcilar Training ve Research Hospital Istanbul Turkey