1. Department of Otorhinolaryngology, Head and Neck Surgery; Universitätsmedizin Mannheim; Medical Faculty Mannheim; Heidelberg University; Mannheim Germany
2. Center for Rhinology and Allergology; Wiesbaden Germany
3. Section of Allergy and Clinical Immunology; Imperial College London; London UK
4. National Heart & Lung Institute; Royal Brompton Hospital; London UK
5. Biogenics Research Chamber LLC; San Antonio TX USA
6. Ora, Inc.; Andover MA USA
7. Allergy-Centre-Charité; Charité Universitätsmedizin Berlin; Berlin Germany
8. Department of Public Health; Section for Environment, Occupation and Health; Danish Ramazzini Center; Aarhus University; Aarhus Denmark
9. ALYATEC; Strasbourg France
10. Chest Disease Department; University Hospital of Strasbourg and Federation of Translational Medicine, EA3072; Strasbourg University; Strasbourg France
11. UPRES EA 220; Airway Diseases Department; Hôpital Foch; Université Versailles Saint Quentin; University Paris Saclay; Suresnes France
12. Department of Medicine; Queen's University; Kingston ON Canada
13. Environmental Exposure Unit; Kingston General Hospital; Kingston ON Canada
14. Section of Allergology; Department of Internal Medicine; Erasmus MC; Rotterdam The Netherlands
15. Department of Clinical Airway Research; Fraunhofer Institute of Toxicology and Experimental Medicine (ITEM); Hannover Germany, Member of the German Center for Lung Research
16. Vienna Challenge Chamber; Vienna Austria
17. Allergy Learning and Consulting (ALC); Copenhagen Denmark
18. ALL-MED Medical Research Institute; Wrocław Poland
19. Wroclaw Medical University; Wrocław Poland
20. Division of Allergology; Paul-Ehrlich-Institut; Federal Institute for Vaccines and Biomedicines; Langen Germany
21. Firestone Institute for Respiratory Health; Department of Medicine; St. Joseph's Hospital Healthcare; McMaster University; Hamilton ON Canada
22. Department of Investigation; Hospital Médica Sur; Mexico City Mexico
23. Center for Excellence in Asthma and Allergy; Mexico City Mexico
24. Institute of Medical Statistics, Informatics and Epidemiology (IMSIE); University Hospital of Cologne; University at Cologne; Cologne Germany
25. Merck&Co; Kenilworth NJ USA
26. Inflamax Research Inc.; Mississauga ON Canada
27. Center for Biologics Evaluation and Research; United States Food and Drug Administration; Silver Spring MD USA
28. Mobile Chamber Experts GmbH (MCX); Berlin Germany
29. Red Maple Trials; Ottawa ON Canada
30. Global Allergy and Asthma European Network (GA LEN); Department of Dermatology & Allergy; Charité Universitätsmedizin Berlin; Berlin Germany
31. Département de Pneumologie et Addictologie; Hôpital Arnaud de Villeneuve; University Hospital of Montpellier; Montpellier France
32. UPMC Paris 06; UMR-S 1136; IPLESP; Equipe EPAR; Sorbonne Universités; Paris France