1. QHeteM - Laboratório de Química Heterocíclica e Medicinal School of Pharmaceutical Sciences of Ribeirão Preto – University of São Paulo Ribeirão Preto São Paulo 14040-903 Brazil
2. European Institute for Molecular Imaging (EIMI) Westphalian Wilhelms-University 48149 Münster Germany
3. Centro de Ciências da Saúde (CCS) Universidade Federal de Santa Maria (UFSM) Av. Roraima, 1000 Camobi, Santa Maria Rio Grande do Sul 97105-900 Brazil
4. Department of Medicine University of Washington Seattle WA 98195 USA
5. Laboratory of Microbiology, Parasitology and Hygiene (LMPH) University of Antwerp Universiteitsplein 1 Antwerpen 2610 Wilrijk Belgium