[1] Kings Coll London, Comprehens Canc Ctr, Fac Life Sci & Med, Canc Epidemiol Populat & Global Hlth, London, England
[2] Publ Hlth England, Natl Canc Registrat & Anal Serv, London, England
[3] Saudi Elect Univ, Coll Hlth Sci, Publ Hlth Dept, Riyadh, Saudi Arabia
[4] Natl Canc Res Inst NCRI, NHSE CEG, BTOG Steering Comm, Consumer Forum,NCRI CSG Lung Subgrp, London, England
[5] Natl Canc Res Inst NCRI, Consumer Forum, Consumer Involvement Advisory Grp, London, England