1. Department of Cardiology, University Hospital Centre “Sestre Milosrdnice,” Zagreb, Croatia
2. Department of Rehabilitation and Sports Medicine, Faculty of Medicine, University of Rijeka, Rijeka, Croatia
3. Department of Internal Medicine, Medical Faculty, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
4. Department of Internal Medicine and Physiology, Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
5. Department of Internal Medicine, School of Medicine, University of Zagreb, Zagreb, Croatia
6. Department of Internal Medicine, University Hospital Centre “Sestre Milosrdnice,” Zagreb, Croatia