HTRA2 and Parkinson disease: Thanks to progress of molecular methods, additional PD-associated genes were identified even with dominant or recessive inheritance: UCHL1 (OMIM 191342) [8,9,10], LRRK2 (OMIM 609007) [11,12,13,14,15], GIGYF2 (OMIM 612003) [16], HTRA2 (OMIM 606441) [17], VPS35 (OMIM 601501) [18,19], EIF4G1 (OMIM 600495) [20], ADH1C (OMIM 103730) [21], GBA (OMIM 606463) [22,23], MAPT (OMIM 157140) [24], PINK1 (OMIM 608309) [25], PARK7 (OMIM 602533) [26], PARK2 (OMIM 600116) [27], PLA2G6 (OMIM 603604) [28], and FBXO7 (OMIM 605648) [29].