1. Postgraduate Program in Health Sciences, State University of Maringa, Maringa, Parana, Brazil
2. Medicine Department, State University of Maringa, Maringa, Parana, Brazil
3. Postgraduate Program in Biosciences and Physiopathology, State University of Maringá, Maringa, Paraná, Brazil
4. Department of Emergency Medicine, Duke University, Durhan, North Carolina, USA
5. Center of Education, Literature and Health, Western Paraná State University, Foz do Iguaçu, Parana, Brazil