[1] Fdn IRCCS Ist Nazl Tumori, Descript Epidemiol & Hlth Planning Unit, I-20133 Milan, Italy
[2] Canc Registry Tyrol, Innsbruck, Austria
[3] Fdn IRCCS Ist Nazl Tumori, Dept Prevent & Predict Med, Evaluat Epidemiol Unit, I-20133 Milan, Italy
[4] Erasmus MC, Dept Publ Hlth, Rotterdam, Netherlands
[5] Canc Registry Basque Country, Vitoria, Spain
[6] Ist Oncol Veneto IRCCS, Veneto Tumour Registry, Padua, Italy
[7] Ist Super Sanita, Canc Epidemiol Unit, Natl Ctr Epidemiol Surveillance & Hlth Promot, I-00161 Rome, Italy