1. Assistance Publique–Hôpitaux de Paris, Department of General Paediatrics, Paediatric Infectious Disease and Internal Medicine, Robert Debré University Hospital, Université de Paris, Paris, France
2. ACTIV, Association Clinique et Thérapeutique Infantile du Val-de-Marne, Créteil, France
3. Université de Paris, INSERM UMR 1123, ECEVE, Paris, France
4. Assistance Publique–Hôpitaux de Paris, Department of General Paediatrics and Paediatric Infectious Diseases, Necker-Enfants-Malades University Hospital, Université de Paris, Paris, France
5. Institut Pasteur, Biodiversity and Epidemiology of Bacterial Pathogens, Paris, France
6. Santé Publique France, Agence Nationale de Santé Publique, Saint-Maurice, France
7. Hospices Civils de Lyon, Paediatric Intensive Care Unit, Hopital Femme, Mère Enfant, University of Lyon, Bron, France
8. EA 7426 Pathophysiology of Injury-Induced Immunosuppression, University Claude Bernard Lyon 1, Hospices Civils of Lyon, Lyon, France
9. Centre Hospitalier Intercommunal, Paediatric Department, Université Paris Est, IMRB-GRC GEMINI, Créteil, France
10. Assistance Publique–Hôpitaux de Paris, Department of General Paediatric, Armand Trousseau University Hospital, Sorbonne Université, Paris, France
11. Assistance Publique–Hôpitaux de Paris, Paediatric Intensive Care Unit, Armand Trousseau University Hospital, Sorbonne Université, Paris, France
12. Assistance Publique–Hôpitaux de Paris, Department of Paediatric Rheumatology, Reference Centre for Autoinflammatory Diseases and Amyloidosis (CEREMAIA), Bicêtre University Hospital, Université de Paris Saclay, Le Kremlin-Bicêtre, France
13. Assistance Publique–Hôpitaux de Paris, Paediatric Intensive Care Unit, Bicêtre University Hospital, Université de Paris Saclay, Le Kremlin-Bicêtre, France
14. Children’s Hospital, University Hospital of Nancy, Paediatric Department, Université de Lorraine, Vandoeuvre les Nancy, France
15. INSERM UMRS 1256 NGERE, Nutrition, Genetics, and Environmental Risk Exposure, National Center of Inborn Errors of Metabolism, Université de Lorraine, Vandoeuvre les Nancy, France
16. Assistance Publique–Hôpitaux de Paris, Paediatric Emergency Departement, Louis Mourier University Hospital, Colombes, France
17. Assistance Publique–Hôpitaux de Marseille, Paediatric and Congenital Cardiology, Timone Hospital Marseille, University Hospital, Marseille, France
18. INSERM, Marseille Medical Genetics, UMR 1251, Aix Marseille Université, Marseille, France
19. Hôpital Femme Enfant Adolescent, Department of Paediatrics and Paediatric Emergency, University Hospital, Nantes, France
20. Assistance Publique–Hôpitaux de Paris, Internal Medicine Department, Ambroise Paré University Hospital, Université Versailles-Saint Quentin-en-Yvelines, Boulogne-Billancourt, France
21. Paediatric Department, Hôpital Delafontaine, Saint Denis, France
22. Hôpital des Enfants, Paediatric Nephrology Department, Purpan University Hospital, Toulouse, France
23. Paediatric Department, Hôpital de Valence, Valence, France
24. Strasbourg University Hospital, Paediatric Cardiology Department, Hautepierre University Hospital, Strasbourg, France
25. Paediatric Intensive Care Unit, Strasbourg University Hospital, Hautepierre University Hospital, Strasbourg, France
26. Assistance Publique–Hôpitaux de Paris, Paediatric Emergency Department, Necker-Enfants Malades University Hospital, Université de Paris, Paris, France
27. Assistance Publique–Hôpitaux de Paris, Paediatric Intensive Care Unit, Necker-Enfants Malades University Hospital, EA7323, Université de Paris, Paris, France
28. Assistance Publique–Hôpitaux de Paris, M3C Department, Necker-Enfants Malades University Hospital, Université de Paris, Paris, France
29. Assistance Publique–Hôpitaux de Paris, Cardiopaediatric Unit, Robert Debré University Hospital, Université de Paris, Paris, France
30. Centre for Research on Inflammation, UMR1149, INSERM, Paris, France
31. Assistance Publique–Hôpitaux de Paris, Paediatric Intensive Care Unit, Robert Debré University Hospital, Université de Paris, Paris, France
32. Hôpital Nord Franche-Comté, Paediatric Department, Trévenans, France
33. Centre Hospitalier Intercommunal, Research Centre, Université Paris Est, IMRB-GRC GEMINI, Créteil, France
34. Hospices Civils de Lyon, Paediatric Nephrology, Rheumatology, Dermatology, Hopital Femme, Mère Enfant, Centre International de Recherche en Infectiologie/INSERM U1111, Bron, France
35. INSERM, Centre de Recherche des Cordeliers, UMRS 1138, Sorbonne Université, Université de Paris, Paris, France