1. Cardiology Department, Heart Institute Niculae Stăncioiu, 19–21 Motilor Street, 400001 Cluj-Napoca, Romania
2. 5th Department of Internal Medicine, Faculty of Medicine, Iuliu Haţieganu University of Medicine and Pharmacy, 8 Victor Babes Street, 400012 Cluj-Napoca, Romania
3. Clinical Rehabilitation Hospital, 46-50 Viilor Street, 400347 Cluj-Napoca, Romania