1. Department of Paediatric Anaesthesiology and Intensive Care Wroclaw Medical University Wroclaw Poland
2. Department of Paediatric Anaesthesiology and Intensive Therapy Poznan University of Medical Sciences Poznan Poland
3. Department of Anaesthesiology, Paediatric Anaesthesiology and Intensive Care Medicine Cnopf Childrens Hospital, Hospital Hallerwiese Nürnberg Germany
4. Department of Anaesthesiology, Intensive Medicine and Pain Medicine DRK Hospitals Berlin Koepnick, Berlin Germany
5. Department of Anaesthesia and Perioperative Medicine University Hospital Brussel, Free University of Brussels Brussels Belgium
6. Department of Anesthesiology Maastricht University Medical Center (MUMC) Maastricht The Netherlands
7. Department of Pediatric Anesthesia and Intensive Care University Children`s Hospital, Medical Faculty University of Belgrade Belgrade Serbia
8. Department of Anaesthesiology and Intensive Care Medicine Medical University of Graz Graz Austria
9. Section of Paediatric Anaesthesia Hospital Jeanne de Flandre Lille France
10. University of Glasgow Glasgow UK