C9orf72 and amyotrophic lateral sclerosis: Among the 13 loci, 5 were suggestively significant (P < 1.0E−05) in the replication ALS GWAS, namely rs3828599 (GPX3), rs3849943 (C9orf72), rs7154847 (G2E3), rs6571361 (SCFD1), and rs9903355 (GGNBP2).