1. School of Animal and Veterinary Sciences University of Adelaide Roseworthy SA Australia
2. Faculty of Veterinary and Agricultural Science University of Melbourne Parkville Vic. Australia
3. Department of Microbiology and Immunology Peter Doherty Institute for Infection and Immunity Microbiological Diagnostic Unit–Public Health Laboratory University of Melbourne Melbourne Vic. Australia
4. Adelaide Zoo Zoos South Australia SA Australia
5. Dunkeld Pastoral Co Pty Ltd Dunkeld Vic. Australia