1. Dermatological Allergology, UCARE Charité, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.
2. Division of Immune-Mediated Skin Diseases, Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russian Federation.
3. Ambulatorio di Allergologia, Clinica San Carlo, Paderno Dugnano (MI), Italy.
4. Servicio de Alergia. Instituto de Investigación Sanitaria (IIS)- Hospital Universitario de la Princesa, Madrid, Spain.
5. Department of Allergy, Clinica Universidad de Navarra, Instituto de Investigación Sanitaria de Navarra Pamplona IDISNA, RETIC de Asma, Reacciones Adversas y Alérgicas (ARADyAL), Pamplona, Spain.
6. Department of Dermatology, Hospital del Mar, IMIM, Universitat Autònoma Barcelona, Spain.
7. Department of Dermatology and Allergy, University Medical Center (UKGM), Justus Liebig University, Giesen, Germany.
8. Department of Dermatology, Medical University of Vienna, Vienna, Austria.
9. Bioagilytix Europe GmbH, Hamburg, Germany.
10. Institute of Immunology, University of Kiel, Kiel, Germany.
11. Department of Allergy and Clinical Immunology, 424 General Military Training Hospital, Thessaloniki, Greece.
12. Allergy Unit, 2nd Dpt. of Dermatology and Venereology, Medical School, National and Kapodistrian University of Athens, University General Hospital “Attikon”, Athens, Greece.
13. RefLab ApS, Copenhagen, Denmark.
14. Odense Research Center of Anaphylaxis, ORCA, Odense, Denmark.
15. Department of Dermatology, University Medical Center Mainz, Mainz, Germany.
16. Division of Clinical Immunology and Allergy, Department of Medicine, University of Toronto, Toronto, Ontario, Canada.
17. Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, California, USA.