1. Centre for Protein Studies, Faculty of Biology, University of Havana, La Habana, Cuba
2. Drug Discovery Unit, Wellcome Centre for Anti-Infectives Research, University of Dundee, Dundee, UK
3. Wellcome Centre for Anti-Infectives Research, Division of Biological Chemistry and Drug Discovery, School of Life Sciences, University of Dundee, Dundee, UK
4. Department of Parasitology, Faculty of Science, Charles University, BIOCEV, Vestec, Czech Republic
5. Department of Biochemistry, Faculty of Biology, University of Havana, La Habana, Cuba