1 Paediatric Immunology Unit, Department of Paediatric Pulmonology, Allergology and Neonatology, Hanover Medical School, Carl-Neuberg Str. 1, 30625, Hannover, Germany.
2 Primary Immunodeficiencies Unit, Pediatrics, Hospital 12 Octubre, Madrid, Spain.
3 Clinical Immunology, Royal Free Hospital, London, UK.
4 Centre for Chronic Immunodeficiency, University Medical Center of Freiburg, Freiburg, Germany.
5 Radiology, Royal Free Hospital, London, UK.
6 Dutch Cancer Institute, Antoni van Leeuwenhoek Hospital, The Hague, The Netherlands.
7 Paediatric Immunology, Erasmus MC Sophia Children's Hospital, Rotterdam, The Netherlands.
8 Paediatrics, Juliana Children's Hospital/Haga Teaching Hospital, The Hague, The Netherlands.
9 Jeroen Bosch Academy, Jeroen Bosch Hospital, 's-Hertogenbosch, The Netherlands.
10 Tranzo, Tilburg University, Tilburg, The Netherlands.
11 Immunology and Internal Medicine, Erasmus MC, Rotterdam, The Netherlands.
12 Department of Radiology, Erasmus MC Sophia Children's Hospital, Rotterdam, The Netherlands.
13 Radiology, Università degli Studi di Roma La Sapienza, Rome, Italy.
14 Institute of Nuclear Medicine, University College London, London, UK.
15 Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy.
16 Immunology Section Department of Medicine, Imperial College London, London, UK.
17 Department of Respiratory Medicine, Royal Brompton Hospital, London, UK.
18 Department of Clinical Immunology and Allergy, Faculty of Medicine, Masaryk University, St Anne's University Hospital, Brno, Czech Republic.
19 Department of Radiology, Faculty of Medicine, Masaryk University, St Anne's University Hospital, Brno, Czech Republic.
20 RECETOX, Faculty of Science, Masaryk University, Brno, Czech Republic.
25 Paediatric Immunology, Great Ormond Street Hospital, London, UK.
26 Department of Radiology, University of Brescia, Brescia, Italy.
27 Pediatrics Clinic and Institute for Molecular Medicine A. Nocivelli, Department of Clinical and Experimental Sciences, University of Brescia and ASST-Spedali Civili of Brescia, Brescia, Italy.
43 Paediatric Immunology Unit, Department of Paediatric Pulmonology, Allergology and Neonatology, Hanover Medical School, Carl-Neuberg Str. 1, 30625, Hannover, Germany. Baumann.ulrich@mh-hannover.de.
In the original version of this article unfortunately two authors were missing: Dr. Jürgen Weidemann and Dr. Daniel Berthold. The correct list of authors is presented above.