1 1st Department of Cardiology, Hippokration General Hospital, Athens Medical School, National and Kapodistrian University of Athens, Athens, Greece.
2 State Department of Cardiology, Hippokration General Hospital, Athens, Greece.
3 Athens Heart Center, Athens Medical Center, Athens, Greece.
4 1st Department of Cardiology, Hippokration General Hospital, Athens Medical School, National and Kapodistrian University of Athens, Athens, Greece. [email protected].