1. Department of Internal Medicine Grenoble University Hospital Grenoble France
2. National Reference Centre for Angioedema CREAK France
3. Department of Internal Medicine Besancon University Hospital Besancon France
4. Service de Médecine Interne AP‐HP Hôpital Saint Antoine Sorbonne Université Paris France
5. Department of Dermatology CHU Montpellier Montpellier France
6. Department of Internal Medicine National Reference Centre for Autoimmune and Systemic Rare Diseases Hospital Claude‐HuriezUniversité Lille Nord de FranceCHRU Lille Lille France
7. CEA CNRS Virology Laboratory CHU Grenoble Alpes IBS Univ. Grenoble Alpes Grenoble France