[1] Hosp Santa Caterina, Hosp Josep Trueta, Neurol Serv, Ataxia Unit,ICS IAS, Girona, Spain
[2] Inst Invest Biomed Girona IDIBGI, Neurodegenerat & Neuroinflammac Grp, Girona, Spain
[3] Univ Girona UdG, Girona, Spain
[4] Univ Lleida, Inst Recerca Biomed Lleida IRBLleida, Dept Ciencies Med Basiques, Lleida, Spain