1. Department of Microbiology; Biological Sciences Institute, Universidade Federal de Minas Gerais; Belo Horizonte Minas Gerais Brazil
2. Department of Biochemistry and Immunology; Biological Sciences Institute, Universidade Federal de Minas Gerais; Belo Horizonte Minas Gerais Brazil
3. Department of Basic Nursing; Nursing School; Universidade Federal de Minas Gerais; Belo Horizonte Minas Gerais Brazil
4. Department of General Biology; Biological Sciences Institute; Universidade Federal de Minas Gerais; Belo Horizonte Minas Gerais Brazil
5. Department of Physiology and Biophysics; Biological Sciences Institute; Universidade Federal de Minas Gerais; Belo Horizonte Minas Gerais Brazil