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