1. Hematology, CHU and GIGA‐I3 University of Liege Liege Belgium
2. AP‐HP Hématologie Clinique et Thérapie Cellulaire Hôpital Saint‐Antoine Paris France
3. EBMT Paris Office Hospital Saint Antoine Paris France
4. Department of Pediatric Hematology and Oncology IRCCS Bambino Gesù Children's Hospital Roma Italy
5. Eurocord Hospital Saint Louis AP‐HP, and IUH University Paris VII France Monacord Centre Scientifique de Monaco Principauté de Monaco Monaco
6. Service d'Hématologie Clinique et Thérapie Cellulaire Hôpital Saint‐Antoine Université Pierre & Marie Curie and INSERM UMRs U938 Paris France
7. Transplant and cellular immunotherapy program Department of Hematology CRCM Inserm CNRS Aix Marseille Univ Institut Paoli Calmettes Marseille France
8. Department of Hematology CHU of Nantes Nantes France
9. Hematology Department Hospital Universitari i Politècnic La Fe Valencia CIBERONC Instituto Carlos III Madrid Spain
10. Département d'Hématologie Clinique CHU Lapeyronie Montpellier France
11. Erasmus Medical Center‐Daniel den Hoed Cancer Center Rotterdam The Netherlands
12. Department of Oncology and Hematology University of Milan and Azienda Ospedaliera Papa Giovanni XXIII Bergamo Italy
13. Vanderbilt University Medical Center Nashville TN USA
14. Division of Hematology and Bone Marrow Transplantation The Chaim Sheba Medical Center Tel‐Hashomer Ramat‐Gan Israel