1. Centre for Fish and Wildlife Medicine, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Laenggassstrasse 122, 3012 Bern, Switzerland
2. Institute of Veterinary Bacteriology, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Laenggassstrasse 122, 3012 Bern, Switzerland
3. Stiftung Wildstation Landshut, Schlossstrasse 21, 3427 Utzenstorf, Switzerland