[1] London Sch Hyg & Trop Med, Canc Survival Grp, Dept Noncommunicable Dis Epidemiol, London, England
[2] Univ Bristol, Social Sci & Law Fac, Bristol, Avon, England
[3] Univ Essex, Global Hlth Policy & Equ, Sch Hlth & Social Care, Colchester, Essex, England
[4] London Sch Hyg & Trop Med, Epidemiol & Vital Stat, Dept Noncommunicable Dis Epidemiol, London, England
[5] London Sch Hyg & Trop Med, Canc Epidemiol Canc Survival Grp, Dept Noncommunicable Dis Epidemiol, London, England