[1] Western Gen Hosp, Dept Urol, Edinburgh, Midlothian, Scotland
[2] Norfolk & Norwich Univ Hosp, Dept Urol, Norwich, Norfolk, England
[3] NHS Greater Glasgow & Clyde, Dept Urol, Glasgow, Lanark, Scotland
[4] Univ Hosp Plymouth, Dept Urol, Plymouth, Devon, England
[5] Univ St Andrews, Sch Med, St Andrews, Fife, Scotland
[6] Albany Med Coll, Dept Urol, Albany, NY 12208 USA
[7] Univ Aberdeen, Hlth Serv Res Unit, Aberdeen, Scotland
[8] Oxford Univ Hosp, Dept Med, Oxford, England
[9] UCL, Div Surg & Intervent Sci, London, England
[10] Imperial Coll London, Dept Surg & Canc, London, England
[11] Cambridge Univ Hosp, Dept Urol, Cambridge, England
[12] Guys & St Thomas NHS Fdn Trust, Dept Urol, London, England
[13] Hosp Clin San Carlos, Dept Urol, Madrid, Spain
[14] Claude Huriez Hosp, Dept Urol, Lille, France
[15] Chinese Univ Hong Kong, Dept Surg, SH Ho Urol Ctr, Hong Kong, Peoples R China
[16] Univ N Carolina, Med Sch, Dept Urol, Chapel Hill, NC 27515 USA
[17] Western Gen Hosp, Edinburgh Bladder Canc Surg, Dept Urol, Edinburgh, Midlothian, Scotland