[1] Univ Navarra, Dept Neurol & Neurosurg, Neurosci Area Clin Univ, Pamplona 31008, Spain
[2] Univ Navarra, Sch Med, Pamplona 31008, Spain
[3] FIMA, Pamplona 31008, Spain
[4] Hosp Clin Barcelona, Lab Neurol Expt, Fdn Clin, IDIBAPS,Inst Invest Biomed August Pi Sumyer, Barcelona, Spain