1. Laboratory of Lymphocyte Activation and Susceptibility to EBV Infection, Institut National de la Santé et de la Recherche Médicale UMR 1163, Imagine Institute, Paris, France
2. Université de Paris, Paris, France
3. Department of Clinical Immunology, Saint-Louis Hospital, Assistance Publique–Hôpitaux de Paris, Paris, France
4. Department of Pathology, Necker-Enfants Malades Hospital, Assistance Publique–Hôpitaux de Paris, Paris, France
5. Department of Pediatric Immunology Hematology and Oncology, University Hospital, Angers, France
6. Institut Roi Albert II, Cancerology and Hematology Departments, University Clinics Saint-Luc Hospital, Brussels, Belgium
7. Department of Internal Medicine, Cochin Hospital, National Referral Centre for Systemic and Autoimmune Diseases, Cochin Hospital, Assistance Publique–Hôpitaux de Paris, Paris, France
8. Department of Adult Hematology, Necker-Enfants Malades Hospital, Assistance Publique–Hôpitaux de Paris, Paris, France
9. Department of Pediatric Immunology, Hematology and Rheumatology, Necker-Enfants Malades Hospital, Assistance Publique–Hôpitaux de Paris, Paris, France
10. Unit F100, Institut National de la Santé et de la Recherche Médicale U1074, Deutsches Krebsforschungszentrum, German Cancer Research Center, Heidelberg, Germany
11. Study Center for Primary Immunodeficiencies, Necker-Enfants Malades Hospital, Assistance Publique–Hôpitaux de Paris, Paris, France
12. Institute for Immunodeficiency-Center for Chronic Immunodeficiency, Department of Pediatrics and Adolescent Medicine, Medical Center - Faculty of Medicine, University of Freiburg, Germany
13. Department of Pediatric Hematology-Oncology, La Timone Hospital, Marseille, France
14. Collège de France, Paris, France
15. Institut National de la Santé et de la Recherche Médicale UMR 1163, Paris, France