1 Intensive Care Unit, Poissy Saint Germain Hospital, 9-10 rue du champ Gaillard, Poissy 78300, France.
2 Medical Intensive Care Unit, Assistance Publique-Hôpitaux de Paris, Pitié-Salpêtrière Hospital, Paris, France.
3 Intensive Care Unit, Poissy Saint Germain Hospital, 9-10 rue du champ Gaillard, Poissy 78300, France; INSERM U-1018, CESP, Team "Epidemiologie Clinique", UVSQ, Villejuif, France. Electronic address: [email protected].