[1] Maastricht Univ, Med Ctr, Grow Sch Oncol & Dev Biol, Dept Pathol, Maastricht, Netherlands
[2] World Hlth Org Iarc, Int Agcy Res Canc, Genom Epidemiol Branch, Lyon, France
[3] Erasmus MC, Inst Canc, Pulm Dis, Rotterdam, Netherlands
[4] Maastricht Univ, Med Ctr, Grow Sch Oncol & Dev Biol, Dept Pulm Dis, Maastricht, Netherlands