1. 1FARAH Research Center, Department of Pathology, Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium
2. 2FARAH Research Center, Surveillance Network for Wildlife Diseases, Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium