Longitudinal study of patients with chronic Chagas cardiomyopathy in Brazil (SaMi-Trop project): a cohort profile - Cardoso, Clareci Silva; Sabino, Ester Cerdeira; Oliveira, Claudia Di Lorenzo; Oliveira, Lea Campos de; Ferreira, Ariela Mota; Cunha Neto, Edécio; Bierrenbach, Ana Luiza; Ferreira, João Eduardo; Haikal, Desirée Sant´Ana; Reingold, Arthur L; Ribeiro, Antonio Luiz P (BMJ Open, 2016)