Affiliations

• ¹ Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
• ² Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden.
• ³ Department of Pediatrics and Child Health, University of Manitoba, Winnipeg, Canada.
• ⁴ George and Fay Yee Centre for Healthcare Innovation, Winnipeg, Canada.
• ⁵ The Children's Hospital Research Institute of Manitoba, Winnipeg, Canada.
• ⁶ Sachs' Children and Youth Hospital, Södersjukhuset, Stockholm, Sweden.
• ⁷ St John's Institute of Dermatology, King's College London, London, UK.
• ⁸ Health Economics, Policy and Management, Karolinska Institutet, Stockholm, Sweden.
• ⁹ Paediatric Allergy, Linköpings Universitetet, Linköping, Sweden.
• ¹⁰ Allergy Centre, Tampere University Hospital, Tampere, Finland.
• ¹¹ Tampere Centre for Child Health Research, University of Tampere, Tampere University Hospital, Tampere, Finland.