title: Preface.
authors: Innsbruck Medical University, Austria.
authors: Werner
authors: W
authors: Poewe
authors: Rush University Medical Center, Chicago, Illinois.
authors: Christopher G
authors: CG
authors: Goetz
mesh_terms: D006801:Humans; D009069:Movement Disorders / Q000628:therapy*; D010300:Parkinson Disease / Q000628:therapy*