Affiliation: | 1. Cardiovascular Prevention and Research Unit, Clinic/Laboratory of Pathophysiology, Medical School, National and Kapodistrian University of Athens, Athens Greece ; 2. Department of Cardiology, "G.Gennimatas" General Hospital of Athens, Athens Greece ; 3. First Department of Cardiology, Biomedical Engineering Unit, Medical School, National and Kapodistrian University of Athens, Athens Greece |