[1] Hosp Univ Ramon y Cajal, Serv Neurol, Madrid, Spain
[2] Univ Alcala IRYCIS, Fac Med, Dept Med, Invictus Plus,Red Nacl Invest Ictus, Madrid, Spain
[3] Complejo Hosp Navarra, Pamplona, Spain
[4] Hosp Univ Nuestra Senora Valme, Seville, Spain
[5] Hosp Clin Univ Valladolid, Valladolid, Spain
[6] Complexo Hosp Univ A Coruna, Inst Invest Biomed Coruna INIBIC, La Coruna, Spain
[7] Hosp Gen Univ Gregorio Maranon, Madrid, Spain
[8] Hosp Univ San Pedro de Alcantara, Caceres, Spain
[9] Hosp Arnau Vilanova, Lerida, Spain