[1] Hosp Moinhos Vento, Neurol, Porto Alegre, RS, Brazil
[2] Univ Fed Rio Grande do Sul, Epidemiol, Porto Alegre, Brazil
[3] Fdn Valle Lili, Neurol, Bogota, Colombia
[4] Univ Costa Rica, Neurol, San Jose, Costa Rica
[5] Univ Fed Sao Paulo, Neurol, Sao Paulo, Brazil
[6] World Stroke Org, Sao Paulo, Brazil
[7] Univ Toronto, Stroke Neurol, Toronto, ON, Canada