1. Department of Virology Faculty of Medicine and Life Sciences University of Tampere Tampere Finland
2. Department of Dermatology Tampere University Hospital Tampere Finland
3. Allergy Centre Tampere University Hospital Tampere Finland
4. Department of Clinical Microbiology Fimlab Laboratories Ltd Tampere Finland
5. National Institute for Health and Welfare Oulu Finland
6. Biobank Borealis of Northern Finland Oulu University Hospital Oulu Finland
7. Department of Laboratory Medicine and Medical Research Unit Seinäjoki Central Hospital and University of Tampere Seinäjoki Finland
8. Unit of Nutrition National Institute for Health and Welfare Helsinki Finland
9. Faculty of Social Sciences/Health Sciences University of Tampere Tampere Finland
10. Center for Child Health Research University of Tampere Tampere University Hospital Tampere Finland
11. The Science Center Pirkanmaa Hospital District Tampere Finland
12. Department of Pediatrics PEDEGO Research Unit Medical Research Center Oulu University Hospital and University of Oulu Oulu Finland
13. Immunogenetics Laboratory Institute of Biomedicine University of Turku Turku Finland
14. Clinical Microbiology Turku University Hospital Turku Finland
15. Children's Hospital University of Helsinki and Helsinki University Hospital Helsinki Finland
16. Research Programs Unit, Diabetes and Obesity University of Helsinki Helsinki Finland
17. Folkhälsan Research Center Helsinki Finland
18. Department of Pediatrics Tampere University Hospital Tampere Finland