Early and one-year stroke case fatality in Sao Paulo, Brazil: applying the world health organization’s stroke STEPS - Goulart, Alessandra Carvalho; Benseñor, Isabela Judith Martins; Fernandes, Tiótrefis Gomes; Alencar, Airlane Pereira; Fedeli, Ligia Maria Giongo; Lotufo, Paulo Andrade (Journal of stroke and cerebrovascular diseases, 2012)