[1] Sao Paulo State Univ, Inst Biosci, Dept Morphol, UNESP, BR-18618970 Botucatu, SP, Brazil
[2] UNESP, Sch Med, Dept Pathol, BR-18618970 Botucatu, SP, Brazil
[3] Univ Sao Paulo FORP USP, Fac Dent, BR-14040904 Ribeirao Preto, SP, Brazil
[4] Univ Estadual Campinas, UNICAMP, Inst Biol, BR-13083862 Campinas, SP, Brazil