1. Internal Medicine Unit; Université Paris-Est, Ecole Nationale Vétérinaire d'Alfort; Maisons-Alfort; France
2. Biochemistry Unit; Université Paris-Est, Ecole Nationale Vétérinaire d'Alfort; Maisons-Alfort; France
3. Department of Clinical Sciences and Clinical Research Unit; Ecole Nationale Vétérinaire de Toulouse; Toulouse; France
4. Department of Veterinary Medical Sciences; Università di Bologna; Ozzano dell'Emilia; Italia
5. Biochemistry Unit; Vetagro Sup; Campus Vétérinaire de Lyon; Marcy l'Etoile; France
6. Department of Small Animal Medicine; Ghent University; Merelbeke; Belgium