1. Department of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences, Umeå, Sweden.
2. Division of Reproduction, Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden.
3. Department of Pathology and Wildlife Diseases, National Veterinary Institute, Uppsala, Sweden.
4. UMR BIPAR, Animal Health Laboratory, ANSES, INRA, Ecole Nationale Vétérinaire d'Alfort, Université Paris-Est, Maisons-Alfort, France.
5. Southern Swedish Forest Research Center, Swedish University of Agricultural Sciences, Alnarp, Sweden.