Conflict of interest
The authors report no conflict of interest
Katarina Lyberg1, Maria Ekoff1, Christine Möller Westerberg1, Camilla Engblom1, Barbro Dahlén2, Theo Gülen1,2, Gunnar Nilsson1,3
1Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, and clinical immunology and transfusion medicine, Karolinska University Hospital, Stockholm, Sweden
2Department of Respiratory Medicine and Allergy, Karolinska University Hospital, and Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
3Department of Medical Sciences, Uppsala University, Uppsala, Sweden