Affiliation: | 1.Neurology Service, Hospital Clínic de Barcelona, IDIBAPS, CIBERNED: CB06/05/0018-ISCIII, Universitat de Barcelona, Villarroel 170, 08036, Barcelona, Spain ;2.Otorhinolaryngology Service, Hospital Clínic de Barcelona, Universitat de Barcelona, IDIBAPS, CIBER Enfermedades Respiratorias, Bunyola, Spain ; |