1. Department of Cardiology, “Iuliu Hațieganu” University of Medicine and Pharmacy, Str. Victor Babeș, Cluj-Napoca , Romania
2. Department of Cardiology, “Iuliu Hațieganu” University of Medicine and Pharmacy, Cluj-Napoca , Romania
3. Clinic of Cardiology, University of Medicine, Pharmacy, Science and Technology, Tîrgu Mureș , Romania