1 ICU Department, Centre Hospitalier Universitaire Brugmann, Brussels, Belgium. Patrick.Honore@CHU-Brugmann.be.
2 ICU Department, Centre Hospitalier Universitaire Brugmann-Brugmann University Hospital, Faculty of Medicine,, ULB University, Place Van Gehuchtenplein, 4, 1020, Brussels, Belgium. Patrick.Honore@CHU-Brugmann.be.
3 ICU Department, Centre Hospitalier Universitaire Brugmann, Brussels, Belgium.
4 ED Department, Centre Hospitalier Universitaire Brugmann, Brussels, Belgium.