1. Postgraduate Program in Public Health, Universidade Estadual de Londrina (UEL), Londrina, Paraná, Brazil;
2. Department of Public Health, Universidade Estadual de Londrina (UEL), Londrina, Paraná, Brazil;
3. Department of Pathology, Clinical and Toxicology Analysis, Universidade Estadual de Londrina (UEL), Londrina, Paraná, Brazil