1. Department of Paediatrics Tampere University Hospital Tampere Finland
2. Department of Clinical Science and Education Södersjukhuset, Karolinska Institutet Stockholm Sweden
3. Center for Occupational and Environmental Medicine, Region Stockholm Stockholm Sweden
4. Institute of Environmental Medicine, Karolinska Institutet Stockholm Sweden
5. Department of Pediatrics and Child Health Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba Winnipeg Manitoba Canada
6. Children's Hospital Research Institute of Manitoba Winnipeg Manitoba Canada
7. Department of Food and Human Nutritional Sciences, Faculty of Agricultural and Food Sciences University of Manitoba Winnipeg Manitoba Canada
8. George and Fay Yee Centre for Healthcare Innovation Winnipeg Manitoba Canada
9. Faculty of Social Sciences Tampere University Tampere Finland
10. Allergy Centre, Tampere University Hospital Tampere Finland
11. Faculty of Medicine and Health Technology Tampere University Tampere Finland
12. Sachs' Children's and Youth Hospital, Södersjukhuset Stockholm Sweden
13. Tampere Center for Child Health Research, University of Tampere Tampere Finland