1. Allergy Therapeutics PLC Worthing UK
2. Children and Adolescents Deptartment, Allergology, Pulmonology & Cystic fibrosis Goethe University Frankfurt Germany
3. Bernstein Clinical Research Center LLC Cincinnati Ohio USA
4. Department of Botany University of Innsbruck Innsbruck Austria
5. Department of Otorhinolaryngology Wiener Gesundheitsverbund, Hospital Hietzing Vienna Austria
6. Clinic and Polyclinic of Otorhinolaryngology University Clinic Carl Gustav Carus Dresden Germany
7. Allergy Partners of Western North Carolina Asheville North Carolina USA
8. ENT Research‐Institut für klinische Studien Essen Germany
9. Bluegrass Allergy Research Lexington Kentucky USA
10. Hamburger Institut für Therapieforschung GmbH Hamburg Germany
11. Studienzentrum Dr. Sabine Laßmann Saalfeld Germany
12. Department of Dermatology and Allergy–Charite Campus Mitte Universitätsmedizin Berlin Berlin Germany
13. Chesapeake Clinical Research, Inc. White Marsh Maryland USA
14. Allergy Partners of New Jersey Ocean New Jersey USA
15. Certified Research Associates Cortland New York USA
16. Allergy Asthma & Sinus Center S.C. Greenfield Wisconsin USA
17. IMSB (Institute of Computational Biology and Medical Statistics) University at Cologne Cologne Germany
18. ClinCompetence Cologne Germany
19. Department of National Heart and Lung Institute, Immunomodulation and Tolerance Group, Allergy and Clinical Immunology Imperial College London London UK
20. Asthma UK Centre in Allergic Mechanisms of Asthma Imperial College London London UK
21. Division of Allergy and Immunology, Department of Internal Medicine George Washington University Hospital Washington District of Columbia USA