1. Department of Cardiology, Sisters of Charity University Hospital Centre, 10000 Zagreb, Croatia
2. Otto Loewi Research Center, Division of Pharmacology, Medical University of Graz, 8010 Graz, Austria
3. Department of Medicine, University Hospital Centre Osijek, 31000 Osijek, Croatia
4. Gottfried Schatz Research Center, Molecular Biology and Biochemistry, Medical University of Graz, 8010 Graz, Austria
5. School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
6. Institute for Medical Informatics, Statistics und Documentation, Medical University of Graz, 8036 Graz, Austria
7. BioTechMed-Graz, 8010 Graz, Austria
8. Department of Medicine, Sisters of Charity University Hospital Centre, 10000 Zagreb, Croatia