1Unidad de Inmunologia Clinica, Hospital Universitario, Reina Sofía, Facultad de Medicina, Universidad de Cordoba, Cordoba, Spain
2Pediatric Infectious Diseases, Rheumatology and Immunology Unit, Hospital Universitario Virgen del Rocío, Instituto de Biomedicina de Sevilla, Universidad de Sevilla/CSIC, Red de Investigación Traslacional en Infectología Pediátrica RITIP, IBiSSeville, Spain
3Department of Immunology and Allergy, The Royal Melbourne Hospital, Melbourne, VIC Australia
4Department of Medicine, The University of Melbourne, Melbourne, VIC Australia
5Paediatric Haematology and Stem Cell Transplantation, Department, Szent Laszlo Hospital, Budapest, Hungary
6First Department of Medicine, Division of Infectious Diseases, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
7Department of Immunology, Children’s Memorial Health Institute, Warsaw, Poland
8Department of Immunology, The Royal London Hospital, Barts Health NHS Trust, London, UK
9Peninsula Immunology and Allergy Service, University Hospitals Plymouth, Plymouth, UK
10Department of Medicine, University of Cambridge, Cambridge, UK
11Asklepios Kinderklinik Sankt Augustin, Sankt Augustin, Germany
12University Hospital of Cologne, Cologne, Germany
13Klinikum St Georg GmbH, Klinik für Kinder‐und Jugendmedizin, Leipzig, Germany
14Department of Pediatric Immunology and Rheumatology, University Medical Center of Johannes Gutenberg University Mainz, Mainz, Germany
15Department of Allergology and Clinical Immunology, Faculty of Medicine, Charles University and University Hospital in Hradec Kralove, Hradec Kralove, Czechia
16Servicio de Inmunología, Hospital Clínico San Carlos, Madrid, Spain
17Department of Immunology, Sullivan Nicolaides Pathology, Brisbane, QLD Australia
18Primary Immunodeficiencies Unit, Hospital Universitario 12 de Octubre and Department of Public and Maternal‑Child Health, Faculty of Medicine, Complutense University of Madrid, Madrid, Spain
19Clinical Immunology and Primary Immunodeficiencies Unit, Pediatric Allergy and Clinical Immunology Department, Hospital Sant Joan de Déu, Planta 3 Consultes Externes, Passeig Sant Joan de Déu 2, Esplugues de Llobregat, 08950 Barcelona, Spain
20Institut de Recerca Sant Joan de Déu, Barcelona, Spain
21Universitat de Barcelona, Barcelona, Spain
22Grifols Bioscience Industrial Group, Sant Cugat del Vallès, Barcelona, Spain
23Grifols Bioscience R&D, Research Triangle Park, NC USA