[1] Int Agcy Res Canc, Canc Surveillance Sect, Lyon, France
[2] Univ Toronto, Princess Margaret Canc Ctr, Dept Radiat Oncol, Toronto, ON, Canada
[3] Uruguay Natl Canc Registry, Comis Honoraria Lucha Canc, Montevideo, Uruguay
[4] SOLCA Nucleo Quito, Quito Canc Registry, Quito, Ecuador
[5] Inst Nacl Cancerol, Canc Epidemiol Surveillance Grp, Bogota, Colombia
[6] Georgia Surveillance Epidemiol & End Results SEER, Atlanta, GA USA
[7] African Canc Registry Network, Oxford, England
[8] Univ Oxford, Nuffield Dept Populat Hlth, Oxford, England
[9] Int Agcy Res Canc, Sect Canc Surveillance, 25 Av Tony Garnier, F-69007 Lyon, France