1 Public Health and Infection Group of Research, Faculty of Health Sciences, Universidad Tecnológica de Pereira, Pereira, Risaralda, Colombia.
2 Department of Pathology and Laboratory Medicine, Hospital Internacional, Barquisimeto, Venezuela; The Laboratory of Biochemistry, Instituto de Biomedicina, Caracas, Venezuela.
3 Public Health and Infection Group of Research, Faculty of Health Sciences, Universidad Tecnológica de Pereira, Pereira, Risaralda, Colombia. Electronic address: arodriguezm@utp.edu.co.