The project is organised by the University of Luxembourg (UL), the Luxembourg Institute of Health (LIH), the Integrated Biobank of Luxembourg (IBBL), the Centre Hospitalier de Luxembourg (CHL) and the Laboratoire National de Santé (LNS) under the framework of the National Centre of Excellence in Research on Parkinson’s Disease (NCER-PD). The project is financed by the Luxembourg National Research Fund (FNR). This survey is under the patronage of the Ministry of Health.