1. Research School of Biology, The Australian National University, Canberra, ACT 2601, Australia
2. Stromlo Veterinary Services, P.O. Box 3963, Weston, ACT 2611, Australia
3. The Foreshore Vet, Kingston, ACT 2604, Australia
4. Research School of Finance, Actuarial Studies and Statistics, The Australian National University, Canberra, ACT 2601, Australia
5. School of Environmental and Life Sciences, The University of Newcastle, Callaghan, NSW 2308, Australia
6. Sydney School of Veterinary Science, The University of Sydney, Sydney, NSW 2006, Australia
7. School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW 2006, Australia