Heart failure and cardiomyopathies Revisiting heart failure assessment based on objective measures in NYHA functional classes I and II Mariana Blacher1,2, André Zimerman1,3, Pedro H B Engster3, Eduardo Grespan3, Carisi A Polanczyk1,2,3, Marciane M Rover4, José A de Figueiredo Neto5, Luiz C Danzmann6, Eduardo G Bertoldi7, Marcus Vinicius Simões8, Luis Beck-da-Silva1,2,3, Andréia Biolo1,2,3, http://orcid.org/0000-0002-6557-393XLuis E Rohde1,2,3 1 Post-Graduate Program in Cardiology and...