1. From the The Norwegian Centre for Movement Disorders (C.C.P., G.A., J.L., J.M.-G.), Stavanger University Hospital; Department of Chemistry, Bioscience and Environmental Engineering (C.C.P., G.A., J.L., J.M.-G.), University of Stavanger; Section of Biostatistics (A.U.), Department of Research, Stavanger University Hospital; Department of Geriatric Medicine (R.E.S.), Haraldsplass Deaconess Hospital, Bergen; Department of Clinical Medicine (R.E.S., O.-B.T.), University of Bergen; Department of...