1 Department of Medical Intensive Care, Hadassah Medical Center and Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel.
2 Service de Reanimation, Hopital Saint-Antoine, Paris, France.
3 Department of Anaesthesia and Intensive Care Medicine, Haukeland University Hospital, Bergen, Norway.
4 Department of Cardiology, Pulmonology and Vascular Medicine, Faculty of Medicine, Heinrich-Heine-University Duesseldorf, Duesseldorf, Germany.
5 General Intensive Care Unit, Department of Anesthesiology, Critical Care and Pain Medicine, Hebrew University of Jerusalem, Jerusalem, Israel. Electronic address: vernon@hadassah.org.il.