[1] Hosp Clin Univ Santiago, Travesia Choupana, Serv Neurol, Secc Neurol, La Coruna 15706, Spain
[2] Univ Santiago de Compostela, Catedrat Neurol, Santiago De Compostela, Spain
[3] Hosp Clin Barcelona, Unidad Ictus, Barcelona, Spain
[4] Hosp Univ Doctor Josep Trueta, Unidad Neurol, Girona, Spain
[5] Hosp Univ Doctor Josep Trueta, Unidad Ictus, Girona, Spain
[6] Univ Autonoma Madrid, Madrid, Spain
[7] Hosp Univ La Paz, Unidad Ictus, Secc Neurol, Madrid, Spain
[8] Hosp Clin Univ Santiago, Serv Urgencias, Santiago De Compostela, Spain
[9] Univ Miguel Hernandez, Catedrat Neurol, Alicante, Spain
[10] Hosp Gen Univ, Serv Neurol, Alicante, Spain
[11] Hosp Clin Barcelona, Serv Urgencias, Barcelona, Spain
[12] Univ Seville, Seville, Spain
[13] Hosp Univ Virgen Rocio, Serv Cuidados Crit & Urgencias, Seville, Spain
[14] Univ Autonoma Barcelona, E-08193 Barcelona, Spain
[15] Hosp Gen Valle Hebron, Serv Neuroradiol, Barcelona, Spain
[16] Univ Barcelona, Catedrat Med, Barcelona, Spain
[17] Hosp Santa Creu & Sant Pau, Dept Med & Urgencias, Barcelona, Spain
[18] Univ Basque Country, Catedrat Neurol, Vizcaya, Spain
[19] Hosp Cruces, Serv Neurol, Vizcaya, Spain