1 Department of Anesthesiology, University Hospital Brugmann and Queen Fabiola Children’s University Hospital, Free University of Brussels, 4 Place Van Gehuchten, B-1020, Brussels, Belgium
2 Pediatric Intensive Care Unit, Queen Fabiola Children’s University Hospital, Free University of Brussels, Brussels, Belgium
3 Department of Anesthesiology, Peri-operative and Pain Medicine. Boston Children’s Hospital, Harvard Medical School, Boston, MA, USA