1. Institute for Future Farming Systems, School of Health, Medical and Applied Sciences Central Queensland University Rockhampton Australia
2. School of Animal and Veterinary Sciences, Roseworthy Campus University of Adelaide Roseworthy Australia
3. Department of Population Medicine & Diagnostic Sciences, College of Veterinary Medicine Cornell University Ithaca New York USA
4. School of Veterinary Medicine, Faculty of Health and Medical Sciences University of Surrey Guildford UK