1. IHAP, Université de Toulouse, INRA, ENVT, Toulouse, France
2. Unité de Virologie et Immunologie Moléculaires (UR0892), INRA, Jouy-en-Josas, France
3. Université de Toulouse, ENVT, Toulouse, France
4. Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas, USA
5. Institute of Pharmacology and Structural Biology, CNRS, Toulouse, France