[1] Univ Fed Minas Gerais, Hosp Clin, Inst Alfa Gastroenterol, Belo Horizonte, MG, Brazil
[2] Univ Fed Minas Gerais, Belo Horizonte, MG, Brazil
[3] Univ Fed Minas Gerais, Fac Med, Lab Res Bacteriol, Belo Horizonte, MG, Brazil
[4] Fundacao Oswaldo Cruz, Inst Rene Rachou, Diagnoses & Monitoring Biomarkers Lab, Belo Horizonte, MG, Brazil
[5] Univ Fed Minas Gerais, Fac Med, Belo Horizonte, MG, Brazil