[1
]GRID grid.410567.1, EBMT Activity Survey Office, Hematology, Department of Medicine, , University Hospital, ; Basel, Switzerland
[2
]ISNI 0000 0004 0578 8220, GRID grid.411088.4, Universitätsklinikum Frankfurt, Goethe-Universität, ; Frankfurt am Main, Germany
[3
]ISNI 0000000113287408, GRID grid.13339.3b, Department of Hematology, Oncology and Internal Medicine, , Medical University of Warsaw, ; Warsaw, Poland
[4
]GRID grid.15496.3f, Università Vita-Salute San Raffaele, ; Milan, Italy
[5
]ISNI 0000 0004 1767 8416, GRID grid.73221.35, Servicio de Hematologia y Hemoterapia, , Hospital Universitario Puerta de Hierro, ; Madrid, Spain
[6
]Hematology Unit, G. Gaslini Children’s Institute, Genova, Italy
[7
]ISNI 0000 0001 2180 3484, GRID grid.13648.38, Department of Stem Cell Transplantation, , University Hospital Eppendorf, ; Hamburg, Germany
[8
]ISNI 0000000090126352, GRID grid.7692.a, Department of Haematology, , University Medical Centre, ; Utrecht, The Netherlands
[9
]ISNI 0000000089452978, GRID grid.10419.3d, Department of Pediatrics, , Leiden University Medical Centre Leiden, ; Leiden, The Netherlands
[10
]ISNI 0000 0001 0372 5777, GRID grid.139534.9, St Bartholomew’s Hospital, , Barts Health NHS Trust, ; London, UK
[11
]ISNI 0000 0001 2107 2845, GRID grid.413795.d, Chaim Sheba Medical Center, ; Tel-Hashomer, Israel
[12
]ISNI 0000 0004 0641 6031, GRID grid.416126.6, Sheffield Teaching Hospitals NHS Foundation, , Royal Hallamshire Hospital, ; Sheffield, UK
[13
]ISNI 0000 0001 0595 5584, GRID grid.411797.d, Pediatric Hematology and Oncology, , University Hospital, Collegium Medicum UMK, ; Bydgoszcz, Poland
[14
]ISNI 0000 0004 1937 1100, GRID grid.412370.3, Department of Hematology, , Hospital Saint Antoine, ; Paris, France
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