1. ANSES, Dozulé Laboratory for Equine Diseases; Bacteriology and Parasitology Unit; Goustranville 14430 France
2. ANSES, Dozulé Laboratory for Equine Diseases; Epidemiology and Pathology Unit; Goustranville 14430 France
3. ANSES, Dozulé Laboratory for Equine Diseases; Goustranville 14430 France
4. Centre de lutte contre le cancer François Baclesse, Avenue du Général Harris; Caen cedex 5, 14076 France