1. Section of Cancer SurveillanceInternational Agency for Research on Cancer Lyon France
2. Zimbabwe National Cancer Registry Harare Zimbabwe
3. South African Medical Research CouncilBurden of Disease Research Unit; Eastern Cape Cancer Registry Tygerberg South Africa
4. Department of Pathology Kampala Cancer RegistryMakerere University Kampala Uganda
5. Nairobi Cancer Registry, Kenya Medical Research Institute Nairobi Kenya
6. Surveillance and Health Services ResearchAmerican Cancer Society Atlanta GA
7. Nuffield Department of Public HealthUniversity of Oxford Oxford United Kingdom