1. Department
of Pharmaceutical Sciences, School of Pharmaceutical Sciences of Ribeirão
Preto, University of São Paulo, Avenida do Café s/n, 14040-903 Ribeirão Preto, SP, Brazil
2. Institute
of Pharmaceutical Biology and Phytochemistry (IPBP), University of Münster, Correnstrasse 48, 48159 Münster, Germany