1. Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Niemenkatu 73, FI-15140 Lahti, Finland.
2. Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, FI-33520 Tampere, Finland.
3. Department of Clinical Microbiology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland.
4. Department of Pediatrics, 2nd Faculty of Medicine, Charles University and University Hospital Motol, V Úvalu 84, Praha 5, 150 06 Prague, Czech Republic.
5. Faculty of Built Environment, Tampere University, Korkeakoulunkatu 5, FI-33720 Tampere, Finland.
6. Eastern Finland Laboratory Centre (ISLAB), Kuopio, Finland.
7. Natural Resources Institute Finland Luke, Itäinen Pitkäkatu 4A, 20520 Turku, Finland.