1. Institute of PathologyCharité – Universitätsmedizin Berlin Berlin Germany
2. Charité Comprehensive Cancer Center Berlin Germany
3. Department of Pediatric Hematology and OncologyUniversity Medical Center Hamburg‐Eppendorf Hamburg Germany
4. Berlin Institute of Health (BIH) Berlin Germany
5. Experimental and Clinical Research CenterCharité – Universitätsmedizin BerlinBerlinGermany and Max‐Delbrück‐Center for Molecular Medicine Berlin Germany
6. Department of GastroenterologyInfectious DiseasesRheumatologyCharité – Universitätsmedizin Berlin Campus Benjamin Franklin Berlin Germany
7. German Cancer Consortium (DKTK) Heidelberg Germany
8. Department of Dermatology and VenereologyUniversity Hospital Halle (Saale)Martin Luther University Halle‐Wittenberg Halle (Saale) Germany