1. Molecular Epidemiology and Public Health Laboratory, Hopkirk Research Inst., Massey Univ.; Palmerston North New Zealand
2. Australian National Wildlife Collection, CSIRO; Canberra Australia
3. Univ. of Canberra; Canberra Australia
4. Australian National Univ.; Canberra Australia
5. Ecology Group, Inst. of Agriculture and Environment; Massey Univ. New Zealand