1 Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden.
2 Department of Clinical Microbiology, Karolinska University Hospital, Stockholm, Sweden.
3 Department of Clinical Microbiology, Central Hospital, Växjö, Sweden.
4 Bristol Centre for Antimicrobial Research and Evaluation (BCARE), Infection Sciences, Severn Pathology, Southmead Hospital, Westbury-on-Trym, Bristol, UK.
5 Adelaide Medical School, University of Adelaide, Adelaide, Australia.