GALC and Parkinson disease: The rs8005172 of GALC, rs9468199 of ZNF184 and the rs34043159 of IL1R2 were all associated with PD, in both the allele model as well as the additive model (rs8005172: p = 0.009, OR = 0.69, allele model, p = 0.010, additive model; rs9468199: p = 0.008, OR = 1.52, allele model, p = 0.008, additive model; rs34043159: p = 0.034, OR = 1.31, allele model, p = 0.036, additive model).