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*Combined genomewide association study (GWAS) = Evaluation of COPD Longitudinally to Identify Predictive Surrogate End-points (ECLIPSE), Bergen Norway, and National Emphysema Treatment Trial (NETT)-Normative Aging Study (NAS) [11]. COPD = chronic obstructive pulmonary disease. eQTL = expression quantitative trait locus. FDR = false discovery rate. ICGN = International COPD Genetics Network. SNP = single nucleotide polymorphism.
