http://www.nhs.uk/Conditions/Ataxia/Pages/Causes.aspx http://www.nhs.uk/Conditions/Ataxia/Pages/Causes.aspx http://www.nhs.uk/Conditions/Ataxia/Pages/Causes.aspx http://www.nhs.uk/Conditions/Ataxia/Pages/Causes.aspx http://www.nhs.uk/Conditions/Ataxia/Pages/Causes.aspx