Downbeat Nystagmus in Episodic Ataxia Type 1 Associated with a Novel KCNA1 Mutation

Affiliations

• ¹ Neurology Department, Coimbra University Hospital Centre, Coimbra, Portugal.
• ² Neurology Department, Central Lisbon University Hospital Centre, Lisbon, Portugal.
• ³ Neurology Department, Fernando da Fonseca Hospital, Amadora, Portugal.
• ⁴ Neuroradiology Department, Coimbra University Hospital Centre, Coimbra, Portugal.
• ⁵ Centro de Genética Preditiva e Preventiva, Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal.
• ⁶ Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.
• ⁷ Faculty of Medicine, Coimbra University, Coimbra, Portugal.