1. Anaesthesiology and Intensive Care Section Paediatric Anaesthesia Odense University Hospital Odense Denmark
2. Department of Neuroanesthesiology and intensive careRigshospitalet Copenhagen Denmark
3. Department of Anesthesiology and Intensive Care Haukeland University Hospital Bergen Norway
4. Department of Surgical and Perioperative Sciences Anesthesiology and Intensive Care MedicineUmeå University Umeå Sweden