1 Sciences Applied to Adult Health Care Post-Graduate Programme, Department of Internal Medicine, Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil.
2 Outpatient Clinic of Viral Hepatitis, Department of Internal Medicine, Instituto Alfa de Gastroenterologia, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
3 Medical Undergraduate Student, Department of Internal Medicine, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
4 Department of Statistics, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil.
5 Department of Internal Medicine, Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil.
6 Biological Sciences Degree Course, Department of Biological Sciences, Universidade Estadual do Maranhão (UEMA), Lago da Pedra, Brazil.
7 Animal Science Post-Graduate Programme, Department of Biological Sciences, Universidade Estadual do Maranhão (UEMA), São Luís, Brazil.
8 Parasitology Post-Graduate Programme, Department of Parasitology, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil.
9 Laboratory of Research in Bacteriology, Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil.