Corresponding Author

Sachs’ Children and Youth Hospital, Södersjukhuset, Sweden

Department of Clinical Science and Education Södersjukhuset, Karolinska Institutet, Sweden

Correspondence: Caroline Nilsson, Sachs´ Children and Youth Hospital, Allergy and lung department, Sjukhusbacken 10, 118 83 Stockholm, Sweden.

(e-mail: caroline.a.nilsson@sll.se, caroline.a.nilsson@ki.se).

Sandra G. Tedner, Department of Women's and Children's Health, KPE Lungallergi barn, Karolinskavägen 39, Karolinska Institutet, SE-171 77 Solna, Sweden.

(e-mail: sandra.ganrud.tedner@ki.se).

Contribution: Conceptualization (equal), Project administration (supporting), Supervision (lead)