1. Department of Intensive Care Medicine and Anaesthesia Royal Gwent Hospital NewportUK
2. Department of Anaesthesia Queen Elizabeth Hospital Birmingham BirminghamUK
3. Department of Anaesthesia Newcastle upon Tyne NHS Foundation Trust NewcastleUK
4. Department of Anaesthesia Aberdeen Royal Infirmary AberdeenUK
5. Department of Paediatric Intensive Care Bristol Royal Hospital for Children BristolUK
6. Department of Paediatric Anaesthesia Children's Hospital for Wales CardiffUK
7. Department of Anaesthesia Princess of Wales Hospital BridgendUK
8. Department of Anaesthesia and Intensive Care Bolton Foundation Trust BoltonUK
9. Nuffield Department of Anaesthesia Oxford University Hospitals NHS Foundation Trust Oxford UK