1. GDS France (National Animal Health Farmers' Organization); 75012
2. Epidemiology surveillance unit; Agency for Food; Environmental and Occupational Health & Safety (ANSES); Maisons-Alfort 94700 France
3. Veterinary Laboratory; Saône-et-Loire (LDA71) Mâcon 71000 France
4. FRGDS Burgundy (Regional Animal Health Farmers' Organization); 21000 Dijon France
5. Epidemiology unit, Lyon laboratory; Agency for Food; Environmental and Occupational Health & Safety (ANSES); 69394 Lyon France