1. Department of Structural and Functional Biology State University of Campinas Campinas São Paulo Brazil
2. Laboratory of Microscopy and Microanalysis, Department of Biology University of Estadual Paulista (UNESP) São José do Rio Preto São Paulo Brazil
3. Department of Structural and Functional Biology, Institute of Biosciences University of Estadual Paulista (UNESP) Botucatu São Paulo Brazil