1. Simbios Biotecnologia, Cachoeirinha, 94940-030, Rio Grande do Sul, Brazil
2. Molecular Diagnostics Laboratory, Lutheran University of Brazil (ULBRA), Canoas, 92425-350, Rio Grande do Sul, Brazil
3. Institute of Biotechnology, University of Caxias do Sul (UCS), Caxias do Sul, 95070-560, Rio Grande do Sul, Brazil