GAK and Parkinson disease: In addition, we examined the magnitude of association of previously reported PD candidate genes including MAPT, SNCA, LRRK2, GBA, PARK16, BST1, HLA, SYT11, ACMSD, STK39, MCCC1/LAMP3, GAK and CCDC62/HIP1R in the AJ dataset and found them to be comparable to several reports in North American and European populations.