1. Biomedical Engineering Unit; First Department of Cardiology; Hippokration Hospital; Medical School; National and Kapodistrian University of Athens; Athens Greece
2. Institute of History of Medicine and Public Health; CHUV; University of Lausanne; Lausanne Switzerland
3. Cardiovascular Prevention and Research Unit; Department of Pathophysiology; Medical School; National and Kapodistrian University of Athens; Athens Greece