1. Royal College of Anaesthetists London UK
2. Radcliffe Department of Medicine University of Oxford UK
3. Nuffield Department of Anaesthesia John Radcliffe Hospital Oxford UK
4. Department of Anaesthesia Brighton and Sussex University Hospitals NHS Trust Brighton UK
5. Department of Anaesthesia Danube Hospital Vienna Austria
6. Department of Haematology Oxford University Hospitals NHS Foundation Trust Oxford UK
7. UCL Division of Surgery and Interventional Science London UK