1. 5th Department of Internal Medicine, Faculty of Medicine, ‘Iuliu Hațieganu’ University of Medicine and Pharmacy , 8 Victor Babes St., 400012 Cluj-Napoca , Romania
2. Cardiology Department, Heart Institute ‘Niculae Stăncoiu’ , Calea Moților 19-21, 400001 Cluj-Napoca , Romania
3. Cardiology Department, Clinical Rehabilitation Hospital , 46-50 Viilor St., 400066 Cluj-Napoca , Romania
4. Radiology Department, Heart Institute ‘Niculae Stăncoiu’ , Calea Moților 19-21, 400001 Cluj-Napoca , Romania