| Affiliation: | 1. Hull University Teaching Hospitals NHS Trust and the University of Hull, Hull, UK;2. University Hospitals of Derby and Burton NHS Foundation Trust, Derby, UK;3. Leicester General Hospital, Leicester, UK;4. Tunbridge Wells Hospital, Tunbridge Wells, UK;5. Queen Elizabeth Hospital Birmingham and University of Birmingham, Birmingham, UK;6. Warrington and Halton Teaching Hospitals NHS Foundation Trust, Warrington, UK;7. St Helens and Knowsley Teaching Hospitals NHS Trust, St Helens, UK;8. Darlington Memorial Hospital, Darlington, UK;9. St Peter's Hospital, Chertsey, UK;10. Royal Surrey County Hospital, Guildford, UK;11. Northampton General Hospital NHS Trust, Northampton, UK;12. City Hospital, Birmingham, UK;13. Correspondence |
