[1] Univ Granada, Andalusian Sch Publ Hlth, Granada, Spain
[2] Canc Registry Granada, Andalusian Sch Publ Hlth, Granada, Spain
[3] Hosp Univ St Joan Reus, Tarragona Canc Registry, Tarragona, Spain
[4] Registro Canc Navarra, Pamplona, Spain
[5] Registro Canc Gipuzkoa, San Sebastian, Spain
[6] Registro Canc Castellon, Castellon de La Plana, Spain
[7] Registro Canc Girona, Girona, Spain
[8] Hosp Univ Virgen Ias Nieves, Med Oncol, Granada, Spain
[9] Ist Nazl Studio & Cura Tumori, Epidemiol Unit, Milan, Italy
[10] Inst Salud Carlos III, Ctr Nacl Epidemiol, Madrid, Spain