[1] Univ Burgundy, CHU Dijon, INSERM U866, Digest Canc Registry Burgundy, F-21079 Dijon, France
[2] Univ Hosp Lyon, Dept Biostat, Lyon, France
[3] Univ Lyon, Lyon, France
[4] Univ Lyon 1, Villeurbanne, France
[5] CNRS, UMR5558, LBBE, BioMath Hlth Dept, Villeurbanne, France
[6] Univ Hosp Grenoble, Isere Canc Registry, Grenoble, France
[7] Univ Girona, Univ Hosp Girona Doctor Josep Trueta, Catalan Inst Oncol, Epidemiol Unit, Girona, Spain
[8] Univ Girona, Canc Registry Girona, Girona, Spain
[9] Fdn Res & Canc Prevent, Tarragona Canc Registry, Reus, Spain