1 From the Paediatric Anaesthesia and Intensive Care, Bristol Royal Children's Hospital (AW), Department Anesthesiology and Intensive Care Medicine, University Hospital, University of Bonn, Germany (ES), Department of Anesthesiology, Cliniques universitaires Saint-Luc, and Institut de Recherche Expérimentale et Clinique (IREC); Institute of Neuroscience (IoNS), Université catholique de Louvain (UCLouvain), Brussels, Belgium (MM), UCLouvain, Belgium (FV).