1. Oxford Deanery; Anaesthesia and Critical Care; 10, Norhaw Close Hemel Hempstead UK HP2 7NH
2. Oxford Oxfordshire UK
3. Plymouth UK
4. University of Oxford; Pain Research and Nuffield Department of Clinical Neurosciences (Nuffield Division of Anaesthetics); West Wing (Level 6) John Radcliffe Hospital Oxford Oxfordshire UK OX3 9DU