1 Research Center for Emergency Medicine, Aarhus University Hospital, Denmark; Emergency Department, Randers Regional Hospital, Denmark; Center for Pediatric Resuscitation, Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, USA. Electronic address: lauridsekg@email.chop.edu.
2 Center for Pediatric Resuscitation, Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, USA.
3 Division of Critical Care Medicine, Cincinnati Children's Hospital Medical Center, USA.
4 Professional Development, Continuing Education and Research Unit, Bambino Gesù Children's Hospital IRCCS, Italy.
5 Department of Pediatrics, Columbia University, USA.