1. Laboratory of Medical Skills and Surgical Research, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil.
2. Department of Food Sciences, Federal University of Lavras, Lavras, Brazil.
3. Department of Morphology Science, Federal University of Pelotas, Pelotas, Brazil.
4. Department of Surgery, Faculty of Medicine, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil.