*Santa Casa de Misericórdia Hospital, Porto Alegre

†ABC Medical School, Santo André

‡PUC Campinas Hospital, São Paul, Brazil

§Hospital Universitário Madrid Montepríncipe, San Pablo CEU University, Boadilla del Monte, Madrid, Spain

The authors declare no conflict of interest.

Reprints: João P. Farina Brunelli, MD, Rua Leopoldo Bier, 825 Conjunto 301, Porto Alegre, State of Rio Grande do Sul 90620-100, Brazil (e-mail: [email protected]).