Affiliation: | 1. Department of Pediatrics, Turku University Hospital and Turku University, Turku, Finland;2. COPSAC, Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark;3. The Skin and Allergy Hospital, University of Helsinki, Helsinki, Finland Contribution: Writing - original draft (equal), Writing - review & editing (equal);4. Department of Pediatrics, Medical University of Warsaw, Warsaw, Poland Department of Pediatric Pneumology and Allergy, Medical University of Warsaw, Warsaw, Poland Contribution: Data curation (equal), Methodology (equal);5. Department of Pediatrics, Medical University of Warsaw, Warsaw, Poland Contribution: Data curation (equal), Methodology (equal);6. Department of Pediatric Pneumology and Allergy, Medical University of Warsaw, Warsaw, Poland;7. Department of Pediatrics, University of Oulu and Oulu University Hospital, Oulu, Finland |