[1] Med Univ Graz, Dept Dermatol & Venereol, Graz, Austria
[2] Barts Hlth NHS Trust, Dept Immunol, London, England
[3] Univ Grenoble Alpes, CHU Grenoble Alpes, Dept Internal Med, Natl Reference Ctr Angioedema, Grenoble, France
[4] Hosp La Paz, Dept Allergy, Inst Hlth Res IdiPaz, Biomed Res Network Rare Dis CIBERER,U 754, Madrid, Spain
[5] Shire, Zug, Switzerland
[6] Univ Milan, Luigi Sacco Hosp, Dept Biomed & Clin Sci Luigi Sacco, Milan, Italy
[7] Charite Univ Med Berlin, Allergie Ctr Charite, Dept Dermatol & Allergy, Berlin, Germany