1. Department of Cardiothoracic Surgery, Sahlgrenska University Hospital, Göteborg, Sweden;
2. Department of Molecular and Clinical Medicine, Sahlgrenska Academy, Göteborg University, Göteborg, Sweden;
3. Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Göteborg, Sweden;
4. Department of Infectious Medicine, Institute of Biomedicine, University of Gothenburg, Göteborg, Sweden;
5. Clinical Microbiology Laboratories, Sahlgrenska University Hospital, Gothenburg, Sweden