1. Department of Anaesthesia and Intensive Care; Royal Papworth Hospital, Cambridge; UK and Chair, Working Party, Association of Anaesthetists
2. Anaesthetic Department; Guys and St. Thomas’ NHS Foundation Trust, London; UK and Association of Anaesthetists Council Member
3. Haematology; NHS Blood and Transplant; and Newcastle upon Tyne NHS Foundation Trust; Newcastle UK
4. Northern School of Anaesthesia and Intensive Care Medicine; UK and Group of Anaesthetists in Training (GAT) Committee Member
5. Department of Anaesthesia; Royal Infirmary of Edinburgh; and Royal College of Anaesthetists Representative; Edinburgh UK
6. London UK
7. Honorary Research Lecturer; University of Manchester; Wellcome Trust Research Fellow; Kings College London; UK
8. Hospital Liaison Committee for Jehovah's Witnesses; Cambridge
9. Department of Anaesthesia and Intensive Care; Freeman Hospital; Newcastle upon Tyne and Association of Paediatric Anaesthetists of Great Britain and Ireland (APAGBI) representative
10. Liverpool Vascular and Endovascular Service; Liverpool,UK and School of Physical Sciences, University of Liverpool and Royal College of Surgeons representative
11. Hospital Information Services for Jehovah's Witnesses; London