1. Department of Bioengineering, São Carlos Engineering School, University of São Paulo (USP), São Carlos; and School of Physiotherapy, Americana School, Americana, Brazil.
2. Department of Pathology, Faculty of Dentistry of Piracicaba, University of Campinas (UNICAMP), Piracicaba, Brazil.
3. São Carlos Institute of Physics, University of São Paulo (USP), São Carlos, Brazil.