1 Division of Allergy and Immunology, Department of Dermatology, Venerology and Allergology, Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany.
2 Department of Emergency Medicine, University Hospital Halle (Saale), Medical Faculty of Martin Luther University Halle-Wittenberg, Halle, Germany.
3 Presidency on behalf of Allergy Vigilance Network, Vandoeuvre les Nancy, France.
4 Division of Allergy, Clinical Immunology and Rheumatology, Department of Pediatrics, Federal University of São Paulo, São Paulo, Brazil.
5 Department of Dermatology, Elbe Medical Centre, Buxtehude, Germany.
6 Department of Clinical and Molecular Sciences, Marche Polytechnic University - Allergy Unit, University Hospital Ospedali Riuniti di Ancona, Ancona, Italy.
7 Division of Allergy, Department of Dermatology, University Hospital Basel, University of Basel, Basel, Switzerland.