title: Consensus statement on the definition of orthostatic hypotension, pure autonomic failure, and multiple system atrophy.
mesh_terms: D001259:Ataxia / Q000175:diagnosis; D001342:Autonomic Nervous System Diseases / Q000175:diagnosis*; D006801:Humans; D007024:Hypotension, Orthostatic / Q000175:diagnosis*; D010300:Parkinson Disease / Q000175:diagnosis; D012791:Shy-Drager Syndrome / Q000175:diagnosis