[1] Murdoch Univ, Sch Vet & Biomed Sci, WHO Collaborating Ctr Mol Epidemiol Parasit Infec, Murdoch, WA 6150, Australia
[2] Murdoch Univ, Sch Vet & Biomed Sci, State Agr Biotechnol Ctr, Murdoch, WA 6150, Australia
[3] Univ Zurich, Vetsuisse Fac, Inst Parasitol, CH-8006 Zurich, Switzerland