1. Department of Structural and Functional Biology; Institute of Biology; Campinas State University-UNICAMP; Campinas São Paulo Brazil
2. Department of Biology; Institute of Biosciences; Letters and Exact Sciences; Univ Estadual Paulista-UNESP; São José do Rio Preto São Paulo Brazil
3. Histology Sector; Institute of Biomedical Sciences; Federal University of Uberlândia-UFU; Uberlândia MG Brazil