1. Department of General Paediatrics and Paediatric Infectious Diseases, Sickle Cell Centre, Assistance Publique – Hôpitaux de Paris (AP‐HP) Necker‐Enfants Malades Hospital, Université Paris Cité Paris France
2. Laboratory of Cellular and Molecular Mechanisms of Haematological Disorders and Therapeutical Implications, Imagine Institute, Inserm U1163 Université Paris Cité Paris France
3. Laboratory of Excellence GR‐Ex Paris France
4. Unité de Recherche Clinique/Centre d'investigation Clinique Necker‐Enfants Malades Hospital, AP‐HP Paris France
5. Department of Haematology Necker‐Enfants Malades Hospital, AP‐HP, Université Paris Cité Paris France
6. Reference Centre for Mastocytosis Necker‐Enfants Malades Hospital, AP‐HP, Université Paris Cité Paris France