1 Pediatric Intensive Care Unit, Arnaud de Villeneuve Hospital, Montpellier University Hospital Center, Montpellier, France.
2 Pediatric Intensive Care Unit, Arnaud de Villeneuve Hospital, Montpellier University Hospital Center, Montpellier, France; Pathogenesis and Control of Chronic Infection, INSERM UMR 1058, University of Montpellier, Montpellier, France.