1. From the Department of Neurology (I.L.H.K., J.L., R.P.W.R., J.S., R.J.v.O.) and the Cardiovascular Research Institute Maastricht (I.L.H.K., J.L., R.J.v.O.), Maastricht University Medical Centre, Maastricht, the Netherlands; Department of Genetics and Cell Biology (M.G.), Section of Complex Genetics, Nutrition and Toxicology Research Institute Maastricht, Maastricht, the Netherlands, and Unit of Genetic Epidemiology, Department of Public Health, Epidemiology, and Biostatistics, University of...