1. Department of Hematology and Immunology Assistance Publique‐Hôpitaux de Paris, University Hospital Henri Mondor Créteil France
2. Inserm U955 IMRB Université Paris‐Est Créteil (UPEC) Créteil France
3. Department of Hematology Ordensklinikum Linz Elisabethinen Linz Austria
4. MLL Munich Leukemia Laboratory Munich Germany
5. IRCCS Humanitas Research Hospital Milan Italy
6. Department of Biomedical Sciences Humanitas University Milan Italy
7. Hematology Department Hospital Universitario de Guadalajara Guadalajara Spain
8. Department of Hematology Amsterdam UMC, Location VU University Medical Center, Cancer Center Amsterdam Amsterdam The Netherlands
9. Laboratory Medicine, SI‐HMDS University Hospitals Bristol and Weston NHS Foundation Trust Bristol UK
10. Immunology Histocompatibility Dept Evangelismos Hospital Athens Greece
11. Cancer Research Center (IBMCC‐USAL/CSIC), Department of Medicine and Cytometry Service University of Salamanca, Institute for Biomedical Research of Salamanca (IBSAL) and Biomedical Research Networking Centre Consortium of Oncology (CIBERONC) Salamanca Spain
12. Hematology Service and AGC de Laboratorio de Medicina Hospital Universitario Central de Asturias and Instituto Universitario de Oncología del Principado de Asturias Oviedo Spain
13. Immunophenotyping, Department of Haematology and SE‐HMDS King's College Hospital NHS Foundation Trust London UK