[1] German Canc Res Ctr, Div Clin Epidemiol & Ageing Res, D-69115 Heidelberg, Germany
[2] Inst Population Bbased Canc Res, Canc Registry Norway, N-0310 Oslo, Norway
[3] NHS Natl Serv Scotland, Informat Serv Div, Scottish Canc Registry, Edinburgh EH12 9EB, Midlothian, Scotland
[4] Comprehens Canc Ctr S IKZ, Eindhoven Canc Registry, NL-5600 AE Eindhoven, Netherlands
[5] Erasmus MC, Dept Publ Hlth, NL-3000 CA Rotterdam, Netherlands
[6] Finnish Canc Registry, FI-00170 Helsinki, Finland
[7] Vilnius Univ, Inst Oncol, Canc Registry Lithuana, LT-2007 Lietuva, Lithuania