Department of Anesthesiology and Surgical Intensive Care Unit, Brest University Hospital, Brest, France. Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Australia. Medical and Surgical Intensive Care Unit, Vannes Hospital, Vannes, France. Medical and Surgical Intensive Care Unit, Guadeloupe University Hospital, Les Abymes, Guadeloupe, France. Medical and Surgical Intensive Care Unit, Orleans Hospital, Orleans, France. Medical and Surgical Intensive Care Unit, Morlaix Hospital, Morlaix, France. Medical and Surgical Intensive Care Unit, Le Mans Hospital, Le Mans, France. Medical Intensive Care Unit, Angers University Hospital and Angers University, Angers, France. Medical Intensive Care Unit, Brest University Hospital, Brest, France.