1. Department of Dermatology and Allergy Dermatological Allergology Allergie‐Centrum‐Charité Charité—Universitätsmedizin Berlin Berlin Germany
2. Department of Dermatology Medical University of Graz Graz Austria
3. University of São Paulo São Paulo Brazil
4. Microbiology Department Faculty of Medicine Kuwait University Safat Kuwait
5. Allergy and Immunology Section Department of Medicine Hamad General Hospital Doha Qatar
6. Department of Allergy and Immunology Hospital Quiron Bizkaia Bizkaia Spain
7. King Faisal Specialist Hospital & Research Center Al Faisal University Riyadh Saudi Arabia
8. Ribeirão Preto Medical School University of São Paulo São Paulo Brazil
9. Ambulatorio di Allergologia Clinica San Carlo Paderno Dugnano (MI) Italy
10. Center for Children and Adolescents University Hospital Frankfurt Frankfurt Germany
11. Division of Rheumatology, Allergy and Immunology Massachusetts General Hospital Boston MA USA
12. Department of Dermatology University Allergy Center University Hospital Carl Gustav Carus Technical University Dresden Germany
13. Division of Allergy, Immunology and Dermatology Department of Pediatrics McGill University Health Center Montreal QC Canada
14. Instituto de Asma Alergia y Enfermedades Respiratorias Corrientes Argentina
15. Allergy Section Division of Immunology Department of Internal Medicine Partner Bernstein Allergy Group Partner Bernstein Clinical Research Center University of Cincinnati Cincinnati OH USA
16. Division of Clinical Immunology and Allergy St. Michael’s Hospital University of Toronto Toronto ON Canada
17. Department of Dermatology and Allergy Center Odense University Hospital Odense Denmark
18. Division of Allergy University Clinic of Respiratory and Allergic Diseases Golnik Golnik Slovenia
19. Clinical Immunology/Internal Medicine Department National Reference Center for Angioedema Grenoble University Hospital Grenoble France
20. Department of Dermatology Johannes Gutenberg University Mainz Mainz Germany
21. HAE International (HAEi) Horsens Denmark
22. Skåne University Hospital Lund University Lund Sweden
23. Division of Clinical Immunology Icahn School at Mount Sinai New York NY USA
24. HAE Centre Odense University Hospital Odense Denmark
25. Allergy Department Hospital Universitario La Paz IdiPaz, CIBERER U754 Madrid Spain
26. Universidade Federal da Bahia Salvador Brazil
27. Serviço de Imunologia Hospital das Clínicas Professor Edgard Santos Salvador Brazil
28. Department of Systems Medicine University Hospital of Padua Padua Italy
29. School of Medicine Universidad de Especialidades Espíritu Santo Samborondón Ecuador
30. RespiraLab, Research Guayaquil Ecuador
31. Department of Vascular Medicine Amsterdam UMC University of Amsterdam Amsterdam The Netherlands
32. Immunoallergology Department Hospital de Santa Maria Centro Hospitalar Universitário de Lisboa Norte (CHLN) EPE Lisbon Portugal
33. Department of Medicine and Pediatrics Penn State University Hershey PA USA
34. Faculdade de Medicina do ABC Santo André Brazil
35. Alergoskin Alergia e Dermatologia SS ltda Santo André Brazil
36. UCARE Center São Paulo Brazil
37. Faculdade de Medicina do ABC (FMABC) Santo André Brazil
38. 3rd Department of Internal Medicine Hungarian Angioedema Reference Center Semmelweis University Budapest Hungary
39. Department of Dermatology, Venereology and Allergology University of Essen Essen Germany
40. Service de Dermatologie‐allergologie CHU Montpellier Montpellier Cedex 5 France
41. Division of Allergy, Clinical Immunology and Rheumatology Department of Pediatrics Federal University of São Paulo São Paulo Brazil
42. Department of Dermatology Kayseri City Education and Research Hospital Kayseri Turkey
43. Private Practice Lomas de Zamora Argentina
44. Servicio de Alergia e Inmunología—Hospital Alende y Clínica Colón Mar del Plata Argentina
45. Ambulatorio di Dermatologia Allergologica e Professionale Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico Milano (MI) Italy
46. The Dermatology Department of the Hospital de Bellvitge Universitat de Barcelona Barcelona Spain
47. Unidad Alergia e Inmunología Clínica Hospital Público Materno Infantil Salta Argentina
48. Center of Allergy and Immunology City Clinical Hospital No. 52 Moscow Ministry of Healthcare Moscow Russian Federation
49. Department of Allergology and Clinical Immunology I.M. Sechenov First Moscow State Medical University Moscow Russian Federation
50. Division of Dermatology Graduate School of Medicine Kobe University Kobe Japan
51. Division of Immunology and Allergic Diseases Department of Internal Medicine Istanbul Faculty of Medicine Istanbul University Istanbul Turkey
52. Department of Dermatology Hospital del Mar IMIM Universitat Autònoma Barcelona Spain
53. Department of Dermatology D Y. Patil University School of Medicine Mumbai India
54. Department of Immunology North Bristol NHS Trust Southmead Hospital Bristol UK
55. Clinica de Dermatologia Centro Hospitalar Universitário Coimbra Coimbra Portugal
56. Center of Allergy and Immunology Tbilsi Georgia
57. Marycliff Clinical Research Spokane WA USA
58. Clinical Immunology Medical School University Center Health ABC Santo Andre Brazil
59. National School of Medicine Instituto Politécnico Nacional Mexico City Mexico
60. Department of Dermatology Graduate School of Biomedical and Health Sciences Hiroshima University Hiroshima Japan
61. NRC Institute of Immunology FMBA Moscow Russia
62. Department of Environmental Immuno‐Dermatology Yokohama City University Graduate School of Medicine Yokohama Japan
63. Department of Dermatology and Allergy University Medical Center Giessen (UKGM) Justus‐Liebig‐University Giessen Giessen Germany
64. Instituto de Medicina Respiratoria—Rafaela Santa Fe Argentina
65. Institute of Allergy and Clinical Immunology Seoul National University Medical Research Center Seoul Korea
66. Medical University of South Carolina Charleston SC USA
67. European Center for Diagnosis and Treatment of Urticaria Zabrze Poland
68. Immunology & Allergy Unit Department of Medicine Campbelltown Hospital Campbelltown NSW Australia
69. Division of Allergy & Clinical Immunology Rappaport Faculty of Medicine Bnai Zion Medical Center Technion Haifa Israel
70. Clinic for Dermatology Elbe Kliniken Buxtehude Buxtehude Germany
71. Department of Dermatology School of Medicine Koç University Koc Turkey
72. Department of Dermatology, Venerology and Pediatric Dermatology Medical University of Lublin Lublin Poland
73. Department of Dermatology Faculty of Medicine Siriraj Hospital Mahidol University Bangkok Thailand
74. Department of Dermatology Postgraduate Institute of Medical Education and Research Chandigarh India
75. Clinica San Felipe Lima Peru
76. Department of Immunology Addenbrookes Hospital Cambridge University NHS Foundation Trust Cambridge UK
77. UCLH London UK
78. Addenbrooke's Hospital Cambridge and University College Hospital London UK
79. Allergy/Immunology Division Department of Internal Medicine University of Texas Southwestern Medical School Dallas TX USA
80. Division of Immunology Department of Pediatrics Boston Children’s Hospital Harvard Medical School Boston MA USA
81. Allergy Unit “D. Kalogeromitros” 2nd Department of Dermatology and Venereology University Hospital “Attikon”, National and Kapodistrian University of Athens Athens Greece
82. Unidad de Alergia Asma e Inmunología Clínica Buenos Aires Argentina
83. Department of Dermatology The Urticaria Clinic Salford Royal Foundation Trust University of Manchester Manchester UK
84. Hemophilia Centre Rhine Main (HZRM) Moerfelden‐Walldorf Germany
85. Allergy and Clinical Immunology Department Centro Médico Vitae de Julio Argentina
86. Department of Clinical Immunology and Allergology Smolensk State Medical University Smolensk Russian Federation
87. Adult Immunology and Allergy Unit Department of Medicine Royal Hospital Muscat Oman
88. Klinik für Dermatologie Universitätsklinikum Mannheim Mannheim Germany
89. Division of Dermatology Kobe University Graduate School of Medicine Kobe Japan
90. Department of Internal Medicine Saiyu Soka Hospital Soka Japan
91. Department of Dermatology Faculty of Medicine Kırşehir Ahi Evran University Kırşehir Turkey
92. Allergy Unit 2nd Pediatric Clinic, National and Kapodistrian University of Athens Athens Greece
93. Adults and Pediatrics Allergy Unit Hospital Italiano de Buenos Aires Buenos Aires Argentina
94. Department of Medicine University of Cape Town Cape Town South Africa
95. Department of Dermatology and Allergology Allergy Center Hessen University Clinic Marburg Marburg Germany
96. University Hospital Sv. Ivan Rilski Sofia Bulgaria
97. Allergy Department Hospital Universitario Severo Ochoa Madrid Spain
98. Instituto de Alergia e Inmunologia del Sur Buenos Aires Argentina
99. Department of Dermatology University of Rzeszow Rzeszów Poland
100. Angioedema Center Barzilai Medical Center Ashkelon Israel
101. Department of Medicine University of California—San Diego La Jolla CA USA
102. Departments of Medicine and Medical Oncology University of Alberta Edmonton AB Canada
103. Department of Dermatology and Allergology University Medical Center Utrecht Utrecht The Netherlands
104. London Allergy and Immunology Centre London UK
105. Dermatology Department Marmara University School of Medicine Pendik Research and Training Hospital Istanbul Turkey
106. Allergy and Clinical Immunology Department Centro Medico Docente La Trinidad Caracas Venezuela
107. Allergy Unit Department of Dermatology University Hospital of Zürich Zürich Switzerland
108. Hospital Santa Casa de Misericórdia de Vitória Espírito Santo Brazil
109. Dermatology Department Hospital Sant Pau Barcelona Spain
110. Department of Medicine King Faisal Specialist Hospital & Research Center Riyadh Saudi Arabia
111. Clinical Immunology and Allergy Royal Adelaide Hospital Adelaide SA Australia
112. Service de Dermatologie et Allergologie Hopital Tenon APHP Sorbonne Université Paris France
113. Department of Dermatology University Medical Center Mainz Germany
114. Department of Clinical Immunology University Hospital Zurich Zurich Switzerland
115. Department of Environmental Allergology Jagiellonian University Medical College Kraków HAE Center University Hospital Kraków Poland
116. Division of Allergy and Immunology University of Toronto Toronto ON Canada
117. First Department of Dermatology and Venereology National and Kapodistrian University of Athens, "A. Syggros" Hospital Referral Center of Occupational Dermatological Diseases Athens Greece
118. Department of Dermatology Bispebjerg Hospital Copenhagen Denmark
119. Department of Dermatology, Venerology and Allergology and Leipzig Interdisciplinary Center of Allergology—Comprehensive Allergy Center UMC Leipzig Leipzig Germany
120. Federal University of Rio de Janeiro Rio de Janeiro Brazil
121. Department of Dermatology Erasmus MC Rotterdam The Netherlands
122. Clínica Privada Monte Grande Buenos Aires Argentina
123. Department of Dermatology University of Erlangen Erlangen Germany
124. Dermatology Department of Sun Yat‐sen Memorial Hospital Guangzhou China
125. Department of Allergy and Clinical Immunology Ajou University School of Medicine Suwon Korea
126. Chair of Clinical Immunology and Rheumatology Department of Psychodermatology Medical University of Lodz Lodz Poland
127. Department of Biomedical and Clinical Sciences Luigi Sacco Hospital University of Milan Milan Italy
128. Department of Dermatology and Venereology First Hospital Peking University Beijing China
129. Beijing Key Laboratory of Molecular Diagnosis on Dermatoses Beijing China
130. Department of Allergy Peking Union Medical College Hospital & Chinese Academy of Medical Sciences Beijing China
131. Department of Dermatology and Allergy Allergie‐Centrum‐Charité Charité—Universitätsmedizin Berlin Berlin Germany
132. Servicio de Alergia e Inmunología Hospital Universitario Austral Buenos Aires Argentina
133. HAE International (HAEi) Fairfax City VA USA