Number of cases and controls, and study characteristics, for each participating study center.

†GELAC: Genetic Epidemiological Study of Lung Adenocarcinoma (in Taiwan); CAMSCH: Chinese Academy of Medical Sciences Cancer Hospital Study; SNU: Seoul National University study; SWHS: Shanghai Women's Health Cohort Study; WHLCS: Wuhan Lung Cancer Study; KNUH: Kyungpook National University Study; KUMC: Korea University Study; GEL-S: Genes and Environment in Lung Cancer, Singapore study; NJLCS: Nanjing Lung Cancer Study. *A subset of data presented in this paper for CAMSCH (Wu et al., (2009) Cancer Res;12:5065–5072), GEL-S (Truong et al., (2010) J Natl Cancer Inst, In press ), and NJLCS (Jin et al., (2009) Carcinogenesis;30:987–990;Wu et al., (2009) Cancer Res;12:5065–5072) was previously published and is noted in Tables S1, S2, S4, S6 and Figure S1.