Biomarker and Observational Research: LRRK2 G2019S LITE (LRRK2 Investigative Therapeutics Exchange) study based in EuropeOverall LITE study protocolPPMI Parkinson’s Progression Marker’s InitiativePD GENErationVALOR-PD study in LRRK2 G2019S carriersFox InsightResearch at Mt. Sinai in NYTel Aviv: Parkinson’s Prevention ResearchRoy Alcalay’s LabLEMON (Laboratory for Early Markers of Neurodegeneration)