1. Faculty of Pharmacy; School of Health Sciences; University of Athens; Athens Greece
2. Second Department of Cardiology; Medical School; University of Athens, Attikon University Hospital; Athens Greece
3. Department of Medicine; Division of Cardiology, Pulmonary and Vascular Medicine; University Hospital Düsseldorf; Düsseldorf Germany
4. Department of Physiology; Justus-Liebig-University; Giessen Germany
5. Department of Pharmacology and Pharmacotherapy; Semmelweis University; Budapest Hungary
6. Pharmahungary Group; Szeged Hungary