NEFM and Parkinson disease: These include genes in the pathways for amyotrophic lateral sclerosis (NEF3, NEFL, NEFH), Huntington's disease (CALM3, CLTC, CLTB), neurodegenerative disorders (APLP1, NEFH, FBXW7), Parkinson's disease (GPR37) and prion disease (APLP1, NFE2L2).