title: Author response.
authors.forename: Nicolaas I
authors.initials: NI
authors.lastname: Bohnen
authors.forename: Vikas
authors.initials: V
authors.lastname: Kotagal
authors.forename: Roger
authors.initials: R
authors.lastname: Albin
authors.forename: Martijn
authors.initials: M
authors.lastname: Muller
mesh_terms: D000110:Acetylcholinesterase / Q000378:metabolism*; D005260:Female; D020233:Gait Disorders, Neurologic / Q000209:etiology*; D006801:Humans; D008297:Male; D009410:Nerve Degeneration / Q000150:complications* / Q000201:enzymology*; D010300:Parkinson Disease / Q000150:complications* / Q000473:pathology*
chemical_list: D000110:Acetylcholinesterase