Occurrence of both bladder and prostate cancer in five cancer registries in Belgium, The Netherlands and the United Kingdom.

We acknowledge the valuable contributions of Ms Vichitranie Madurasinghe and Dr. Cheryl Livings at the West Midlands Cancer Intelligence Unit. This research is financially supported by the Flemish Government, the Province of Limburg and the ‘Limburg Kanker Fonds’. Prof. Maurice Zeegers is partly funded by Cancer Research UK.