1. Diagnostic Laboratories, Langford Vets, Bristol Veterinary School, University of BristolLangfordUK
2. Department of Pathobiology and Population SciencesRoyal Veterinary College, University of LondonHatfieldUK
3. Department of Clinical Infection, Microbiology and ImmunologyInstitute of Infection and Global Health, University of LiverpoolLiverpoolUK
4. IDEXX LaboratoriesWetherbyUK
5. Departament de Medicina i Cirurgia Animals, Facultat de VeterinàriaUniversitat Autònoma de BarcelonaBarcelonaSpain
6. Koret School of Veterinary Medicine, Hebrew UniversityRehovotIsrael