1. Chemistry Department, Faculty of Philosophy, Sciences and Letters at Ribeirao Preto, Department of Chemistry, University of Sao Paulo, Avenida Bandeirantes, 3900, Monte Alegre, Ribeirao Preto, SP Brazil, 14040-901
2. Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of Sao Paulo, Rua Sao Nicolau, 210, Centro, Diadema, SP Brazil, 09913-030
3. Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California 92037, United States
4. Department of Experimental Medicine, University of Rome Tor Vergata, 00133 Rome, Italy