The panel includes 24 PD-related genes and MLPA analysis interrogates deletions or duplications in 8 PD genes and the presence of both A30P in the SNCA (α-Synuclein) and G2019S in the LRRK2 (Leucine-rich repeat kinase 2) genes (Supplementary Methods). This evidence concerns the gene LRRK2 and Parkinson disease.