1 Department of Cardiomyopathies and Aortic Diseases, Heart Institute (InCor) University of São Paulo, Dr Eneas de Carvalho Aguiar Avenue, number 44, São Paulo, 05403-900 São Paulo, Brazil.
2 Department of Cardiology, Israelita Albert Einstein Hospital, Albert Einstein Avenue, number 627, São Paulo, 05652-900 São Paulo, Brazil.