1. Department of Dermatology and Venerology Medical University of Graz Graz Austria
2. Clinical & Experimental Allergology, Department of Dermatology and Allergology Philipps‐University of Marburg Marburg Germany
3. Institute for Medical Informatics, Statistics and Documentation Medical University of Graz Graz Austria
4. Institute of Zoology University of Graz Graz Austria
5. Department of Dermatology, Venerology and Allergology Medical University of Innsbruck Innsbruck Austria
6. Division of Cellular Allergology Institute of Pathophysiology and Allergy Research Medical University of Vienna Vienna Austria