Institution: | 1. Department of Large Animal Sciences, Medicine and Surgery, Faculty of Health and Medical Sciences, University of Copenhagen, 2630 T?strup, Denmark;2. Department of Large Animal Sciences, Veterinary Epidemiology, Frederiksberg, Denmark;3. the Department of Companion Animal Clinical Studies, Faculty of Veterinary Science, University of Pretoria, Onderstepoort, South Africa;4. Department of Small Animal Clinical Sciences, Central laboratory, Frederiksberg, Denmark |