1 Department of Respiratory Diseases and Allergy, Aarhus University Hospital, Aarhus, Denmark.
2 Department of Pediatrics, Aarhus University Hospital, Aarhus, Denmark.
3 Department of Immunotechnology, Lund University, Lund, Sweden.
4 ALK-Abelló A/S, Global Research, Hørsholm, Denmark.
5 Department of Respiratory Diseases and Allergy, Aarhus University Hospital, Aarhus, Denmark; Department of Clinical Medicine, Aarhus University, Aarhus, Denmark. Electronic address: [email protected].