1. Reference Centre for Mastocytosis (CEREMAST) Toulouse Department of Dermatology Toulouse University Hospital Paul Sabatier University Toulouse France
2. Department of Anatomy and Pathological Cytology of Prof. Brousset Toulouse University Hospital Paul Sabatier University CEREMAST Toulouse Toulouse France
3. Immunology Clinical Laboratory CEREMAST Toulouse Toulouse France
4. Department of Rheumatology CEREMAST Toulouse Toulouse France
5. Department of Haematology CEREMAST Toulouse Toulouse France
6. CRCM, [CEREMAST, Marseille, Equipe Labellisée Ligue Contre le Cancer] Inserm, Institut Paoli‐Calmettes Aix‐Marseille Univ, CNRS Marseille France
7. Department of Pneumo‐allergology CEREMAST Toulouse Toulouse France
8. Haematology CEREMAST Necker AP‐HP Paris France