1. Pharmacology and Physiology Department and Clinical Immunology LaboratoryUniversity of ZaragozaZaragozaAragónSpain
2. Veterinary Teaching HospitalUniversity of ZaragozaZaragozaAragónSpain
3. Clinical Immunology LaboratoryUniversity of ZaragozaZaragozaSpain
4. Animal Pathology Department and Clinical Immunology LaboratoryUniversity of ZaragozaZaragozaAragónSpain