1. Angioedema Center of Reference and Excellence (ACARE), Institute of Allergology, Charité – Universitätsmedizin Berlin Corporate Member of Freie Universität Berlin and Humboldt‐Universität Zu Berlin Berlin Germany
2. Fraunhofer Institute for Translational Medicine and Pharmacology ITMP Immunology and Allergology Berlin Germany
3. Hungarian Angioedema Center of Reference and Excellence (ACARE), Department of Internal Medicine and Haematology Semmelweis University Budapest Hungary
4. Angioedema Center of Reference and Excellence (ACARE), Clinical Immunology University Center Faculdade de Medicina Do ABC Santo André Brazil
5. Department of Pediatrics University Hospital Frankfurt, Goethe University Frankfurt Frankfurt Germany
6. Romanian Hereditary Angioedema Expertise Centre, Centru Clinic Mediquest Sangeorgiu de Mures Romania
7. Division of Allergy, Immunology and Dermatology, Department of Pediatrics, Montreal Children's Hospital McGill University Montreal Quebec Canada
8. Department of Internal Medicine, Division of Rheumatology, Allergy and Immunology, Angioedema Center of Reference and Excellence (ACARE) University of Cincinnati College of Medicine Cincinnati Ohio USA
9. Department of Medicine, St. Michael's Hospital University of Toronto Toronto Ontario Canada
10. Angioedema Center of Reference and Excellence (ACARE) National Reference Center of Angioedema CREAK Grenoble France
11. Internal Medicine Department Grenoble University Hospital Grenoble France
12. Angioedema Center of Reference and Excellence (ACARE), Hereditary Angioedema National Reference Center (CSUR), Department of Allergy La Paz University Hospital, Hospital La Paz Institute for Health Research (IdiPAZ – Group 44), Biomedical Research Network on Rare Diseases (CIBERER U754) Madrid Spain
13. Angioedema Center of Reference and Excellence (ACARE), Departmental Unit of Allergology University Hospital of Padua Padua Italy
14. HAE International – HAEi Fairfax City Virginia USA
15. Hospital U. Virgen del Rocío Sevilla Spain
16. Angioedema Center of Reference and Excellence (ACARE), Amsterdam UMC, Department of Vascular Medicine, Amsterdam Cardiovascular Sciences University of Amsterdam Amsterdam Netherlands
17. Angioedema Center of Reference and Excellence (ACARE), Department of Medicine, Pediatrics and Biomedical Sciences Pennsylvania State University Hershey Pennsylvania USA
18. International Hospital, Times City Hanoi Vietnam
19. Angioedema Center of Reference and Excellence (ACARE), Moscow Clinical and Research Center of Allergology and Immunology, Clinical Hospital No 52 Moscow Healthcare Department Moscow Russia
20. Department of Clinical Immunology and Allergology I. M. Sechenov First Moscow State Medical University (Sechenov University) Moscow Russia
21. Department of Pulmonology Astana Medical University Astana Kazakhstan
22. Angioedema Center of Reference and Excellence (ACARE), Division of Immunology and Allergic Diseases, Department of Internal Medicine, Istanbul Faculty of Medicine Istanbul University Istanbul Turkey
23. Angioedema Center of Reference and Excellence (ACARE), University Clinic of Dermatology Ss Cyril and Methodius University Skopje Macedonia
24. Angioedema Center of Reference and Excellence (ACARE), Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre Post‐Graduate Institute of Medical Education and Research (PGIMER) Chandigarh India
25. Angioedema Center of Reference and Excellence (ACARE) Western Sydney University and Campbelltown Hospital Campbelltown New South Wales Australia
26. Angioedema Center of Reference and Excellence (ACARE), Division of Allergy and Clinical Immunology, Bnai Zion Medical Center and the Bruce and Ruth Rappaport Faculty of Medicine, Technion Haifa Israel
27. Angioedema Center of Reference and Excellence (ACARE), Department of Dermatology Medical University of Vienna Vienna Austria
28. Department of Medicine University of Auckland Auckland New Zealand
29. Department of Immunology Auckland City Hospital Auckland New Zealand
30. Pediatrics, Haemophilia Centre Rhine Main (HZRM) Moerfelden‐Walldorf Germany
31. Division of Rheumatology, Allergy, and Immunology University of California San Diego La Jolla California USA
32. Department of Dermatology Medical University of Graz Graz Austria
33. Angioedema Center of Reference and Excellence (ACARE), Department of Dermatology University Medical Center Mainz Mainz Germany
34. Departamento di Scienze Biomediche per la Salute Università Degli Studi di Milano Milan Italy
35. Operative Unit of Medicine, IRCCS Policlinico San Donato, San Donato Milanese Milan Italy
36. Department of Allergy, Peking Union Medical College Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
37. Angioedema Center of Reference and Excellence (ACARE), Department of Respiratory Medicine and General Medicine, Box Hill Hospital, Eastern Health Melbourne Victoria Australia
38. Monash Lung, Sleep and Allergy/Immunology Monash Medical Centre Melbourne Victoria Australia
39. Eastern Health Clinical School Monash University Melbourne Victoria Australia
40. Angioedema Center of Reference and Excellence (ACARE), Division of Rheumatology and Clinical Immunology, Department of Medicine, Queen Mary Hospital University of Hong Kong Hong Kong Hong Kong
41. Department of Clinical Immunology and Allergology, St. Anne's University Hospital in Brno and Faculty of Medicine Masaryk University Brno Czech Republic
42. Angioedema Center of Reference and Excellence (ACARE), Department of Dermatology, Graduate School of Biomedical & Health Sciences Hiroshima University Hiroshima Japan
43. Department of Dermatology Hiroshima City Hiroshima Citizens Hospital Hiroshima Japan
44. Angioedema Center of Reference and Excellence (ACARE), Division of Allergy and Clinical Immunology, Department of Medicine University of Cape Town Cape Town South Africa
45. Allergy and Immunology Unit University of Cape Town Lung Institute Cape Town South Africa