1. Department of Dental Materials and Prosthodontics; Araçatuba Dental School; Univ Estadual Paulista (UNESP); Araçatuba São Paulo Brazil
2. Department of Biological Engineering; Institute for Biotechnology and Bioengineering; University of Minho; Braga Portugal
3. Faculdade INGÁ; Maringá Paraná Brazil
4. LIEC-Department of Chemistry; Federal University of São Carlos (UFSCar); São Carlos São Paulo Brazil