1. Cancer Surveillance Section, International Agency for Research on Cancer, Lyon, France
2. Department of Radiation Oncology, Princess Margaret Cancer Center, University of Toronto, Toronto, Canada
3. Uruguay National Cancer Registry, Comisión Honoraria de Lucha contra el Cáncer, Montevideo
4. Quito Cancer Registry, SOLCA Núcleo Quito, Quito, Ecuador
5. Cancer Epidemiology Surveillance Group, Instituto Nacional de Cancerología, Bogotá, Colombia
6. Georgia Surveillance, Epidemiology and End Results (SEER) Registry, Atlanta, GA, USA
7. African Cancer Registry Network, Oxford, UK
8. Nuffield Department of Population Health, University of Oxford, Oxford, UK