title: Preface.
authors.affiliation: Department of Neurology, University of Dresden, Dresden, Germany. Heinz.Reichmann@uniklinikum-dresden.de.
authors.forename: Heinz
authors.initials: H
authors.lastname: Reichmann
authors.affiliation: Parkinson-Klinik, Kreuzbergstr. 12-24, 77709, Wolfach, Germany. w.jost@parkinson-klinik.de.
authors.forename: Wolfgang
authors.initials: W
authors.lastname: Jost
mesh_terms: D005858:Germany; D006801:Humans; D010300:Parkinson Disease / Q000175:diagnosis / Q000503:physiopathology / Q000628:therapy*