1. Universidad de Navarra, Instituto de Salud Tropical (ISTUN), Pamplona, Spain
2. Universidad de Navarra, Department of Microbiology and Parasitology, Pamplona, Spain
3. IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
4. Universidad de Navarra, Department of Organic and Pharmaceutical Chemistry, Pamplona, Spain
5. Department of Pharmacology, Penn State Cancer Institute, CH72, Penn State College of Medicine, Hershey, Pennsylvania, USA