1 The Clinical Effectiveness Unit, The Royal College of Surgeons of England, London, UK. Electronic address: [email protected].
2 The Clinical Effectiveness Unit, The Royal College of Surgeons of England, London, UK; Department of Urology, University College Hospital London and St Bartholomew's Hospital London and Centre for Experimental Cancer Medicine, Bart's Cancer Unit, London, UK.
3 Department of Oncology, University College Hospital, London, UK.
4 Department of Oncology, University of Cambridge, Cambridge, UK.
5 Eastern Cancer Registration and Information Service (ECRIC), UK.
6 The Clinical Effectiveness Unit, The Royal College of Surgeons of England, London, UK.