title: Author response.
authors.forename: Janet
authors.initials: J
authors.lastname: Kohli
mesh_terms: D000058:Accidental Falls / Q000517:prevention & control*; D001342:Autonomic Nervous System Diseases / Q000209:etiology*; D005260:Female; D006801:Humans; D007024:Hypotension, Orthostatic / Q000209:etiology*; D019578:Multiple System Atrophy / Q000150:complications*