title: Challenges in quantifying ataxia in core and comorbid early onset ataxias.
authors: Medical Genetics Service, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Brazil.
authors: Jonas Alex Morales
authors: JA
authors: Saute
authors: Medical Genetics Service, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Brazil.
authors: Laura Bannach
authors: LB
authors: Jardim
mesh_terms: D001259:Ataxia; D002524:Cerebellar Ataxia; D015897:Comorbidity; D006801:Humans; D020754:Spinocerebellar Ataxias