1. Department of Medicine, Kuopio University Hospital, Kuopio, Finland
2. Inflammation Center, Clinic of Infectious Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
3. Unit of Infectious Diseases, Karolinska Institutet, Solna, Sweden
4. Department of Pediatrics, Kuopio University Hospital, Kuopio, Finland
5. Department of Surgery, North Karelia Central Hospital, Joensuu, Finland
6. Eastern Finland Laboratory Centre Joint Authority Enterprise (ISLAB), Joensuu District Laboratory, Joensuu, Finland
7. Department of Internal Medicine, North Karelia Central Hospital, Joensuu, Finland
8. Heart Center, Kuopio University Hospital, Kuopio, Finland
9. Department of Pediatric Surgery, Kuopio University Hospital, Kuopio, Finland
10. Department of Clinical Radiology, Kuopio University Hospital, Kuopio, Finland
11. Finnish Food Safety Authority Evira/FINPAR, Oulu, Finland
12. Department of Bacteriology and Immunology/Immunobiology Program/FINPAR, Faculty of Medicine, University of Helsinki, Helsinki, Finland