1. Immunogenetics Laboratory, Institute of Biomedicine, University of Turku, Turku, Finland
2. Department of Clinical Microbiology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
3. Department of Pediatrics, University of Turku and Turku University Hospital, Turku, Finland
4. Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, and Centre for Population Health Research, University of Turku, Turku, Finland
5. Department of Pediatrics, PEDEGO Research Unit, Medical Research Center, University of Oulu, Oulu, Finland
6. Department of Children and Adolescents, Oulu University Hospital, Oulu, Finland
7. Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
8. Tampere Center for Child Health Research, Tampere University Hospital, Tampere, Finland
9. Department of Clinical Microbiology, Institute of Clinical Medicine, University of Eastern Finland, Eastern Finland Laboratory Centre (ISLAB), Kuopio, Finland
10. Clinical Microbiology, Turku University Hospital, Turku, Finland