1. University Animal Hospital Swedish University of Agricultural Sciences Uppsala Sweden
2. Department of Veterinary Medical Science, Alma Mater Studiorum University of Bologna Ozzano Emilia Italy
3. Department of Small Animal Clinical Sciences University of Tennessee College of Veterinary Medicine Knoxville Tennessee USA
4. Clinica Veterinaria Roma‐Sud Roma Italy
5. Department of Small Animal Clinical Sciences University of Liverpool Neston UK
6. Histology and Anatomical Pathology Unit Ecole Nationale Vétérinaire d'Alfort Maisons‐Alfort France
7. Ecole Nationale Vétérinaire d'Alfort, U955‐IMRB, Inserm UPEC Maisons‐Alfort France