Université de Paris, Imagine Institute, INSERM UMR 1163, 75015 Paris, France; Collège de France, Paris, France; Department of Paediatric Immuno-Haematology and Rheumatology, Reference Center for Rheumatic, AutoImmune and Systemic Diseases in Children (RAISE), Hôpital Necker-Enfants Malades, Assistance Publique - Hôpitaux de Paris (AP-HP) 75015 Paris, France.