1. Malalties Infeccioses i Resposta Inflamatòria Sistèmica en Pediatria, Unitat d´Infeccions, Servei de Pediatria, Institut de Recerca Pediàtrica Hospital Sant Joan de Déu, Barcelona, Spain
2. Departament de Pediatria, Universitat de Barcelona, Barcelona, Spain
3. CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
4. Red de Investigación Translacional en Infectología Pediátrica (RITIP), Madrid, Spain
5. Department of Pulmonology, University Children’s Hospital, Ruhr University, Bochum, Germany
6. Department of Paediatrics, Oxford University, Oxford, United Kingdom
7. Children’s Hospital, John Radcliffe Hospital, Oxford, United Kingdom
8. Department of Child Phthisiology, National Institute of Phthisiology and Pulmonology, National Academy of Medical Sciences of Ukraine, Kiev, Ukraine
9. Lucerne Children’s Hospital, Lucerne Cantonal Hospital, Lucerne, Switzerland
10. Department of Pediatrics, Vila Nova de Gaia Hospital Centre, Vila Nova de Gaia, Portugal
11. Center of Infectious Diseases, “Clinic for Children With HIV/AIDS”, National Specialized Children’s Hospital (Okhmatdyt), Kiev, Ukraine
12. Department of Paediatric Infectious Diseases, Rheumatology and Immunodeficiency, Hospital Virgen del Rocío, Seville, Spain
13. Department of Pediatrics and Adolescent Medicine, Wilhelminenspital, Vienna, Austria
14. Infectious Diseases Unit, Pediatric Department, Miguel Servet University Hospital–University of Zaragoza, Zaragoza, Spain
15. Department of Internal Medicine, Gastroenterology, and Diabetology, Evang. Kliniken Essen-Mitte, Essen, Germany
16. Department of Pediatrics, University of Zagreb, School of Medicine, University Hospital Centre Zagreb, Zagreb, Croatia
17. Immunodeficiency and Rheumatology Center, Helios Klinikum Krefeld, Krefeld, Germany
18. Department of Infectious Diseases and Dermatology, Riga Stradinš University, Riga, Latvia
19. Center of Tuberculosis and Lung Diseases, Riga East University Hospital, Riga, Latvia
20. Department of Paediatrics, Sheffield Children’s National Health Service Foundation Trust, Sheffield, United Kingdom
21. Children Hospital, Affiliate of Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
22. Birmingham Chest Clinic and Heartlands Hospital, University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom
23. University of Groningen, University Medical Center Groningen/Beatrix Children’s Hospital, Groningen, the Netherlands
24. Paediatric Infectious Diseases and Vaccinology Unit, University of Basel Children’s Hospital, Basel, Switzerland
25. Faculty of Medicine, University of Basel, Basel, Switzerland
26. Department of Paediatrics, University of Melbourne, Parkville, Australia
27. Department of Paediatric Infectious Diseases and Immunology, Evelina London Children’s Hospital, Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom
28. Department of Infection, Immunity, and Inflammation, UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom