[1] Attikon University Hospital,Second Department of Cardiology, Heart Failure Unit
[2] University of Perugia,Division of Cardiology, School of Medicine
[3] Attikon University Hospital,Intensive Care Unit
[4] University Clinic Golnik,Division of Cardiology
[5] Université Paris Diderot Paris 7,Department of Anaesthesiology and Critical Care Medicine, Hospital Lariboisière, APHP, U942 Inserm
[6] University Hospital Zurich,Department of Internal Medicine