[1] Sydney SW Pathol Serv Liverpool, Dept Microbiol & Infect Dis, Liverpool Bc, NSW 1871, Australia
[2] Univ Western Sydney, Sch Med, Microbiol & Infect Dis Unit, Antibiot Resistance & Mobile Elements Grp, Penrith, NSW 1797, Australia
[3] Queensland Hlth, Ctr Healthcare Related Infect Surveillance & Prev, Brisbane, Qld, Australia
[4] Univ Queensland, Sch Populat Hlth, Brisbane, Qld, Australia
[5] Univ Queensland, Clin Res Ctr, Herston, Qld, Australia