1. Graduate Program in Cell and Structural Biology, Institute of Biology, State University of Campinas - UNICAMP, Campinas, SP, Brazil
2. Department of Morphology, Institute of Biosciences, UNESP - Univ Estadual Paulista, Botucatu, SP, Brazil,
3. Department of Morphology, Stomatology and Physiology, School of Dentistry, University of São Paulo, USP - Ribeirão Preto, São Paulo, Brazil