1. Research Center for Emerging Infections and ZoonosesUniversity of Veterinary Medicine Hannover 30559 Hannover Germany
2. Institute for Animal Breeding and GeneticsUniversity of Veterinary Medicine Hannover 30559 Hannover Germany
3. Department of ViroscienceErasmus Medical Center 3015 CE Rotterdam The Netherlands
4. Department of Comparative Biomedicine and Food ScienceUniversity of Padova 35020 Legnaro Padua Italy
5. Faculty of Veterinary MedicineUniversity of Teramo 64100 Teramo Italy
6. Institute for Terrestrial and Aquatic Wildlife ResearchUniversity of Veterinary Medicine Hannover 25761 Büsum Germany