1. Department of Dermatology and Allergy Centre, Odense Research Centre for Anaphylaxis (ORCA) Odense University Hospital Odense Denmark
2. Allergy Clinic, Department of Dermatology and Allergy, Danish Anaesthesia Allergy Centre Copenhagen University Hospital – Herlev and Gentofte Copenhagen Denmark
3. University of Southern Denmark Odense Denmark
4. Department of Clinical Medicine University of Copenhagen Copenhagen Denmark