Affiliation: | (1) Regional Spinal Injuries Centre, District General Hospital, Southport, PR8 6PN, UK;(2) Department of Cellular Pathology, District General Hospital, Southport, PR8 6PN, UK;(3) Department of Radiology, District General Hospital, Southport, PR8 6PN, UK;(4) Department of Urology, Royal Liverpool University Hospital, Liverpool, L7 8XP, UK;(5) Computing Services Department, The University of Liverpool, Liverpool, L69 3BX, UK |