PLA2G6 and neurodegenerative disease: Whole exome sequencing focused on 60 genes causative of monogenic neurodegenerative diseases (APP, ATP1A3, CCNF, CHCHD10, CHCHD2, CHMP2B, COL4A1, CSF1R, CYLD, DCTN1, DNAJC13, DNMT1, FUS, GCH1, GRN, HNRNPA1, HNRNPA2B1, ITM2B, LRRK2, MAPT, MATR3, NOTCH3, PRKAR1B, PRNP, PSEN1, PSEN2, SERPINI1, SNCA, SNCB, SQSTM1, TARDBP, TBK1, TIA1, TMEM230, TUBA4A, VCP, VPS35, ATP13A2, DNAJC6, FBXO7, HTRA1, OPTN, PANK2, PARK2, PARK7, PINK1, PLA2G6, SPG11, SYNJ1, TH, TREM2, TYROBP, VPS13C, POLG, ATP6AP2, RAB39B, UBQLN2, GBA, APOE, PLCG2)