1. Section of Cancer Surveillance, International Agency for Research on Cancer (IARC), 150 Cours Albert ThomasLyon France
2. Department of Clinical Epidemiology and BiostatisticsPontificia Universidad JaverianaBogota Colombia
3. Cancer Control Group, QIMR Berghofer Medical Research InstituteBrisbane QLD Australia
4. American Cancer Society, NWAtlanta GA
5. Nuffield Department of Population HealthUniversity of OxfordOxford United Kingdom