1 Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg.
2 Institute of Laboratory Medicine and Pathobiochemistry, Molecular Diagnostics, Universities of Giessen and Marburg Lung Center, Philipps University Marburg, Member of the German Center for Lung Research, Marburg, Germany.
3 Department of Dermatology and Allergy Center, Odense Research Center for Anaphylaxis, Odense University Hospital, University of Southern Denmark, Odense, Denmark.
4 Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg; Department of Dermatology and Allergy Center, Odense Research Center for Anaphylaxis, Odense University Hospital, University of Southern Denmark, Odense, Denmark. Electronic address: markus.ollert@lih.lu.