1. 1 Department of Cardiology, Institute of Cardiovascular Diseases, Dubrava University Hospital, Zagreb, Croatia
2. 4 School of Medicine, University of Zagreb, Zagreb, Croatia
3. 2 School of Medicine, University J.J. Strossmayer, Osijek, Croatia
4. 3 University of Applied Health Sciences, Zagreb, Croatia
5. 5 Cardiology Clinic, University Hospital Centre Sisters of Charity, Zagreb, Croatia