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