1. Parasitology Reference and Research Laboratory, National Centre for Microbiology, Carlos III Health Institute, Madrid, Spain
2. Department of Microbiology, Paediatrics, Radiology, and Public Health, Faculty of Medicine, University of Zaragoza, Saragossa, Spain
3. Department of Animal Production and Food Science, Faculty of Veterinary, University of Zaragoza, Saragossa, Spain
4. Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain