1. Universidad de NavarraDepartment of Pharmaceutical Technology and ChemistryInstituto de Salud Tropical Pamplona 31008 Spain
2. Department of ParasitologyInstituto de Investigación Biosanitaria (ibs. Granada)Hospitales Universitarios de Granada/University of Granada, Severo Ochoa s/n, E-18071, Granada Spain
3. Department of Pharmaceutical SciencesFederal University of Rio de Janeiro Rio de Janeiro 21949–900 Brazil