[1] Donostia Univ Hosp, San Sebastian, Spain
[2] Roche Farma, Med Dept, Madrid, Spain
[3] Hosp Univ Virgen Macarena, Dept Neurol, Seville, Spain
[4] Hosp Univ Miguel Servet, Dept Neurol, Zaragoza, Spain
[5] Hosp Hosp Univ Miltua Terrassa, Dept Neurol, Terrassa, Spain
[6] Hosp Reg Univ Malaga, Dept Neurol, Malaga, Spain
[7] Complejo Asistencial Avila, Avila, Spain
[8] Hosp Univ Fdn Alcorcon, Dept Neurol, Alcorcon, Spain
[9] Hosp Galdakao Usansolo, Dept Neurol, Galdakao, Spain
[10] Hosp Univ Clin San Cecilio, Dept Neurol, Granada, Spain
[11] Hosp Univ Son Espases, Dept Neurol, Palma De Mallorca, Spain
[12] Hosp Arnau Vilanova, Dept Neurol, Lleida, Spain
[13] Hosp Univ Puerta de Hierro, Dept Neurol, Madrid, Spain
[14] Complexo Hosp Univ Pontevedra, Dept Neurol, Pontevedra, Spain
[15] Hosp Gen Univ Elche, Dept Neurol, Elche, Spain
[16] Hosp Univ Reina Sofia, Dept Neurol, Cordoba, Spain
[17] Hosp Clin Univ Lozano Blesa, Dept Neurol, Zaragoza, Spain
[18] Fundacio Salut Emporda, Dept Neurol, Figueres, Spain
[19] Hosp Francesc Borja, Dept Neurol, Gandia, Spain
[20] Hosp Univ Puerta del Mar, Dept Neurol, Cadiz, Spain
[21] Consorci Corp Sanitaria Parc Tauli, Dept Neurol, Sabadell, Spain
[22] Hosp Univ Ramon Y Cajal, Dept Neurol, Madrid, Spain