1. Department of Dentistry Universidade Estadual de Montes Claros (Unimontes) Montes Claros Brazil
2. Federal University of Alagoas (UFAL) Arapiraca, Alagoas Brazil
3. Institute of Agricultural Sciences Universidade Federal de Minas Gerais (UFMG) Montes Claros Brazil
4. International Research Center A.C.Camargo Cancer Center São Paulo Brazil
5. Robarts Research Institute and the Department of Physiology and Pharmacology University of Western Ontario London ON Canada
6. Dilson Godinho Hospital Montes Claros Brazil