1. Infectious Diseases Department; Institute for Clinical Pathology and Medical Research; Sydney New South Wales Australia
2. Department of General Medicine; Calvary Mater Newcastle Hospital; Newcastle New South Wales Australia
3. Infection Management Service; Princess Alexandra Hospital; Brisbane Queensland Australia
4. Ipswich Hospital; Ipswich Queensland Australia
5. Pathology Queensland; Brisbane Queensland Australia
6. Department of Medicine; University of Queensland; Brisbane Queensland Australia