1. Piedmont Cancer Registry Turin Italy
2. Department of Mathematical Sciences Politecnico di Torino Turin Italy
3. Department of Mathematics Università degli Studi di Torino Turin Italy
4. National Cancer Registry Cork Ireland
5. Geneva Cancer Registry Geneva Switzerland
6. A.O.U, Città della Salute e della Scienza di Torino Turin Italy
7. Servei d'Epidemiologia i Prevenció del Càncer, Hospital Universitari Sant Joan de Reus, ISSPV Tarragona Cancer Registry Reus Spain
8. Austrian National Cancer Registry Wien Austria
9. Institute for Social Medicine and Epidemiology University of Lübeck Lübeck Germany
10. Netherlands Comprehensive Cancer Organisation Utrecht The Netherlands
11. Department of Research The Cancer Registry of Norway Oslo Norway
12. Icelandic Cancer Registry Icelandic Cancer Society Reykjavik Iceland
13. Faculty of Medicine, BMC, Laeknagardur University of Iceland Reykjavik Iceland
14. Cancer Registry and Histopathology Department Provincial Health Authority (ASP) Ragusa Italy
15. Belgian Cancer Registry Brussels Belgium
16. Cancer Registry of Republic of Slovenia Institute of Oncology Ljubljana Ljubljana Slovenia