1. Department of Microbiology and Infectious Diseases, PathWest Laboratory Services, Royal Perth Hospital, Wellington St, Perth, WA 6000, Australia
2. Division of Microbiology and Infectious Diseases, PathWest Laboratory Services, Queen Elizabeth II Medical Centre, Hospital Avenue, Nedlands, WA 6009, Australia
3. Institut für Angewandte Mikrobiologie, Justus-Liebig Universität Giessen, D-35392 Giessen, Germany