Department of Anesthesiology and Intensive Care, Agostino Gemelli Teaching Hospital, Catholic University of the Sacred Heart, Rome, Italy; Medical Intensive Care Unit, INSERM U492, Henri Mondor Teaching Hospital, AP-HP, Paris XII University, Créteil, France; Medical Intensive Care Unit, Charles Nicolle Teaching Hospital, Rouen, France; and Intensive Care Service, Hospital of the Sacred Cross and Saint Paul, Barcelona, Spain
