1. Deutsches Rheuma‐Forschungszentrum (DRFZ) Institute of the Leibniz Association Berlin Germany
2. Charité ‐ Universitätsmedizin Berlin corporate member of Freie Universität Berlin, Humboldt‐Universität zu Berlin and Berlin Institute of Health Department of Nephrology and Intensive Care Medicine Berlin Germany
3. Center for Translational Immunology Wilhelmina Children's Hospital University Medical Center Utrecht Utrecht University Utrecht Netherlands
4. Department of Experimental and Clinical Medicine and DENOTHE Center University of Florence Florence Italy
5. Charité ‐ Universitätsmedizin Berlin corporate member of Freie Universität Berlin Humboldt‐Universität zu Berlin and Berlin Institute of Health Department of Pediatric Pulmonology Immunology and Critical Care Medicine Berlin Germany
6. Charité ‐ Universitätsmedizin Berlin corporate member of Freie Universität Humboldt‐Universität zu Berlin and Berlin Institute of Health Berlin SPZ (Center for Chronically Sick Children) Berlin Germany
7. Anna Meyer Children's Hospital and University of Florence Florence Italy
8. Department of Clinical Sciences and Community Health University of Milano Milano Italy
9. Department of Experimental and Clinical Medicine University of Florence Florence Italy
10. Berlin Institute of Health (BIH) Berlin Germany
11. BCRT/DRFZ Single‐Cell Laboratory for Advanced Cellular Therapies ‐ Brandenburg Center for Regenerative Therapies (BCRT) Berlin Germany