1. Parasitology Reference and Research Laboratory National Centre for Microbiology Madrid Spain
2. Infectious Diseases Unit Maimonides Institute for Biomedical Research (IMIBIC)University Hospital Reina SofíaUniversity of Córdoba Córdoba Spain
3. Environmental Microbial and Food Safety Laboratory Agricultural Research ServiceUnited States Department of Agriculture Beltsville MD USA
4. SALUVET Department of Animal Health Faculty of Veterinary Complutense University of Madrid Madrid Spain
5. Viral Hepatitis Reference and Research Laboratory National Centre for Microbiology Majadahonda, Madrid Spain