1. Institute for Medical Immunology Charité Universitaetsmedizin Berlin Berlin Germany
2. Department of Paediatric Pulmonology Allergy and Neonatology Hannover Medical School Hannover Germany
3. CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases Department of Pediatrics and Adolescent Medicine and St. Anna Kinderspital and Children's Cancer Research Institute Department of Pediatrics Medical University of Vienna Vienna Austria
4. Praxis für Hämatologie und Onkologie Mönchengladbach Germany
5. ImmunoDeficiencyCenter Leipzig (IDCL) Hospital St. Georg gGmbH Leipzig Academic Teaching Hospital of the University of Leipzig Leipzig Germany
6. Kinderarztpraxis Mainz‐Hechtsheim Germany
7. Department of Pediatrics Dr. von Hauner Children's Hospital University Hospital Ludwig‐Maximilians‐University Munich Munich Germany
8. Technische Universität Darmstadt Clemens‐Schöpf‐Institut für Organische Chemie & Biochemie Darmstadt Germany
9. Pediatric Immunology Department of Pediatrics University Hospital Würzburg Würzburg Germany
10. Institute of Transfusion Medicine Charité ‐ Universitätsmedizin Berlin Berlin Germany
11. Klinik und Poliklinik für HNO‐Heilkunde Universitätsklinikum Carl Gustav Carus an der Technischen Universität Dresden Dresden Germany
12. Division of Immunology University Children‘s Hospital Zurich and University of Zurich Switzerland
13. AG Atemphysiotherapie Physiotherapiepraxis Röske Wuppertal Germany
14. Department of Rheumatology and Clinical Immunology Medical Center ‐ University of Freiburg Faculty of Medicine University of Freiburg Freiburg Germany
15. Center for Chronic Immunodeficiency Medical Center ‐ University of Freiburg Faculty of Medicine University of Freiburg Freiburg Germany
16. Department of Medicine I Medical Center – University of Freiburg Faculty of Medicine University of Freiburg Freiburg Germany
17. Department of Pediatrics Helios Klinikum Krefeld Krefeld Germany
18. Department of Immunology Labor Berlin Charité ‐ Vivantes GmbH Berlin Germany
19. Berlin Center for Regenerative Therapies (BCRT) Charité Universitätsmedizin Berlin Berlin Germany
20. Department of Pediatric Pneumology Immunology and Intensive Care Medicine Charité Universitätsmedizin Berlin Berlin Germany