1. Laboratory of Lymphocyte Activation and Susceptibility to EBV infection Inserm UMR 1163 Paris France
2. University Paris Descartes Sorbonne Paris Cité Imagine Institut Paris France
3. Department of Pediatric Immunology, Hematology and Rheumatology, Necker‐Enfants Malades Hospital Assistance Publique‐Hôpitaux de Paris (APHP) Paris France
4. Collège de France Paris France
5. Inserm UMR 1163 Paris France