1. School of Animal and Veterinary Sciences, University of Adelaide, Roseworthy, South Australia, 5371, Australia
2. Barbara Hardy Institute, UniSA, Mawson Lakes, Adelaide, South Australia, 5095, Australia
3. School of the Environment, Flinders University, GPO Box 2100, Adelaide, 5001, South Australia, Australia
4. Vertebrate Pest Research Section, Department of Agriculture and Food, 100 Bougainvillea Avenue, Forrestfield, 6058, Western Australia, Australia
5. Current address: Ecotone Wildlife Veterinary Services, GPO Box 1126, Canberra, Australian Capital Territory, 2601, Australia
6. Zoos SA, Frome Road, Adelaide, South Australia, 5000, Australia
7. Current address: Department of Environment and Primary Industries, 8 Nicholson Street, East Melbourne, Victoria, 3002, Australia