1 2(nd) Department of Cardiology, Medical School, National and Kapodistrian University of Athens, ATTIKON Hospital, Athens, Greece. Electronic address: seliani@hotmail.com.
2 2(nd) Department of Critical Care, Medical School, National and Kapodistrian University of Athens, ATTIKON Hospital, Athens, Greece.
3 2(nd) Department of Cardiology, Medical School, National and Kapodistrian University of Athens, ATTIKON Hospital, Athens, Greece.