1. Departments of Metallurgical and Materials Engineering; Federal University of Minas Gerais; Av. Antônio Carlos 6627; Belo Horizonte; CEP: 31270-901; Brazil
2. Department of Physiology and Biophysics; Federal University of Minas Gerais; Av. Antônio Carlos 6627; Belo Horizonte; CEP: 31270-901; Brazil
3. Department of Biochemistry and Immunology; Federal University of Minas Gerais; Av. Antônio Carlos 6627; Belo Horizonte; CEP: 31270-901; Brazil