1 ICU Department, Centre Hospitalier Universitaire Brugmann-Brugmann University Hospital, Place Van Gehuchtenplein, 4, 1020, Brussels, Belgium.
2 Service d'accueil des urgences pédiatriques, Necker- Enfants Malades University Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France.
3 Division of Nephrology and Hypertension, Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, USA.
4 ICU Department, Centre Hospitalier Universitaire Brugmann-Brugmann University Hospital, Place Van Gehuchtenplein, 4, 1020, Brussels, Belgium. Patrick.Honore@CHU-Brugmann.be.