1. Centre de Recerca en Sanitat Animal (CReSA), Department Sanitat i Anatomia Animals, Queen's University Belfast, Stoney Road, Stormont, Belfast, United Kingdom.
2. Department Medicina i Cirurgia Animals, Queen's University Belfast, Stoney Road, Stormont, Belfast, United Kingdom.
3. Department of Veterinary Science, Queen's University Belfast, Stoney Road, Stormont, Belfast, United Kingdom.
4. Department Ciència Animal i dels Aliments, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, Spain.