1. Department of Small Animal Clinical Sciences (Guiot, Lansdowne, Stanley), D208 Veterinary Medical Center, Michigan State University, East Lansing, Michigan 48824-1314 and Clinique Vétérinaire Rouppert, Lagier, Verez (Rouppert) 177, rue de la porte de Trivaux 9214, Clamart, France
2. From the