[1] Royal Melbourne Hosp, Victorian Infect Dis Serv, Melbourne, Vic, Australia
[2] Monash Med Ctr, Dept Infect Dis, Melbourne, Vic, Australia
[3] Melbourne Pathol, Melbourne, Vic, Australia
[4] Univ Western Australia, Perth, WA 6009, Australia
[5] Monash Univ, Dept Microbiol, Melbourne, Vic 3004, Australia
[6] PathWest Lab Med, Perth, WA, Australia