1. Department of Anaesthesiology and Intensive Care – Paediatrics Odense University Hospital Odense Denmark
2. Department of Clinical Research – Anaesthesiology University of Southern Denmark Odense Denmark
3. Department of Prehospital Emergency Care, Pain Management and Anaesthesiology Tampere University Hospital Tampere Finland
4. Division of Emergencies and Critical Care Medicine Oslo University Hospital, Rikshospitalet Oslo Norway
5. Department of Anaesthesiology and Intensive Care Medicine, Queen Silvia Children Hospital Sahlgrenska University Hospital Gothenburg Sweden
6. Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg Gothenburg Sweden