1. Department of Cell Biology; Institute of Biology, State University of Campinas (UNICAMP); Campinas Brazil
2. Department of Biology, Laboratory of Microscopy and Microanalysis; Institute of Biosciences, Humanities and Exact Sciences (IBILCE), São Paulo State University (UNESP); São José do Rio Preto Brazil
3. Department of Morphology; Institute of Biosciences, São Paulo State University (UNESP); Botucatu Brazil
4. Department of Veterinary Clinical Science; College of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP); Botucatu Brazil