1. Department of Pharmacology Institute de Ciencias Biomedicas Universidade de Sao Paulo São Paulo SP 05508‐000 Brazil
2. Department of Physiology and Biophysics Instituto de Ciencias Biomedicas Universidade de Sao Paulo São Paulo SP 05508‐000 Brazil
3. Department of Basic Sciences School of Dentistry São Paulo State University (UNESP) Araçatuba SP 16015‐050 Brazil