ACKNOWLEDGEMENTS
We thank the Department of Biostatistics of Centro Universitário FMABC for the
data analysis and consulting. We also thank the Director Board of the Hospital
Estadual Mário Covas for entrusting us with the mission of conducting this
research.No financial support.No conflict of interest.This study was carried out at the Faculdade de Medicina, Centro
Universitário FMABC, Santo André, São Paulo, Brazil.