1. Department of Small Animal Clinical Studies; Faculty of Life Sciences; University of Copenhagen; Dyrlaegevej 16 1870 Frederiksberg C Denmark
2. Department of Large Animal Sciences; Faculty of Life Sciences; University of Copenhagen; Grønnegårdsvej 8 1870 Frederiksberg C Denmark
3. Humlebaek Dyreklinik; Torpenvej 17 3050 Humlebaek Denmark