[1] Univ Bradford, Fac Hlth Studies, Richmond Rd, Bradford BD7 1D, England
[2] Fleni, Dept Neurol, Vasc Neurol Div, RA-2325 Buenos Aires, Argentina
[3] Hosp Moinhos Vento, Neurol & Neurosurg Dept, Rua Ramiro Barcelos,910 Bairro Moinhos Ven, BR-90035001 Porto Alegre, RS, Brazil
[4] Clin Cent Quindio, Ctr ACV, Dept Neurol, Carrera 13 1N-35, Armenia, Quindio, Colombia
[5] Hosp Dr Rafael A Calderon Guardia, Dept Neurociencias, CCSS, Ave 7&9,Calles 15 & 17,C 17, San Jose, Aranjuez, Costa Rica
[6] Univ Desarrollo, Fac Med, Dept Neurol, Clin Alemana, Ave Manquehue Norte 1410, Concepcion, Chile
[7] CASMU, 8 Octubre 3310, Montevideo, Uruguay
[8] Hosp Nacl Rivas, GXG5 665,1 Calle, San Pedro Sula 21102, Cortes, Honduras
[9] Hosp CEMESA, 21 Calle, San Pedro Sula 21104, Honduras
[10] Primary Stroke Ctr, Pacific Blvd & Blvd, Panama City, Panama
[11] Univ Autonoma Nuevo Leon, Univ Hosp, Dept Neurol, Gonzalitosy Madero S-N, Monterrey, Nuevo Leon, Mexico
[12] Hosp Obrero N 2 seguro Caja Nacl Salud, Ave Blanco Galindo km 5 1-2, Cochabamba, Bolivia
[13] Inst Nacl Ciencias Neurol, Dept Enfermeda Neurovasc, Jr Ancash 1271, Lima, Peru
[14] Hosp Gen San Juan Dios, 1Ra Ave 10-50, Guatemala City 01001, Guatemala
[15] Hosp Teodoro Maldonado Carbo, Q482 VGH,Ave 25 Julio, Guayaquil 090203, Ecuador
[16] St James Univ Hosp, Leeds Teaching Hosp NHS Trust, Dept Neurosci, Beckett St, Leeds LS9 7TF, W Yorkshire, England
[17] Univ Leeds, Fac Med & Hlth, Sch Med, Woodhouse Lane Leeds, Leeds, England
[18] Univ Leeds, Acad Unit Ageing & Stroke Res, Leeds LS2 9LH, England
[19] Bradford Teaching Hosp NHS Trust, Bradford Inst Hlth Res, England BD9, Bradford, England
[20] Ctr Neurociencias, Ctr Neurociencias, Ciudad Salud, Caja Seguro Social, Panama City, Panama