1. Department of Clinical Microbiology, Institute of Clinical Medicine and Biocenter Kuopio, University of Eastern Finland, Kuopio Campus, Finland.
2. Institute of Dentistry, School of Medicine, University of Eastern Finland, Kuopio Campus, Finland.
3. Department of Pulmonary Diseases, Kuopio University Hospital, Kuopio, Finland.
4. Institute of Biomedicine, University of Eastern Finland, Kuopio Campus, Finland.
5. Institute of Biotechnology, Viikki Biocenter, University of Helsinki, Finland.