Corresponding Author

Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Institute of Pathology, Berlin, Germany

Department of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany

Research Institute Children's Cancer Center Hamburg, Hamburg, Germany

Mildred Scheel Cancer Career Center HaTriCS4, University Medical Center Hamburg-Eppendorf, Hamburg, Germany

These authors contributed equally to this work.

Correspondence to: P Jurmeister, Institute of Pathology, Ludwig-Maximilians-Universität München, Thalkirchner Str. 36, 80337 Munich, Germany or Michael Bockmayr, Institute of Pathology, Charité – Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany. E-mail: philipp.jurmeister@med.uni-muenchen.de or

E-mail: michael.bockmayr@charite.de