GBA1 and Lewy body dementia: The presence of GBA mutations (L444P, IVS2 + 1, RecNciI, L105R, N370S, E326K, T369M, E388K and R262H) in 14 DLB, 3 PDD, 4 PD, and 10 controls (Online Resource Table 1 and Online Resource Table 2) was identified using whole exome sequencing and validated by Sanger sequencing and/or restriction fragment length polymorphism [47, 50].