[1
]ISNI 0000 0001 0943 6490, GRID grid.5374.5, Pediatric Hematology and Oncology, Collegium Medicum, , Nicolaus Copernicus University Torun, ; Bydgoszcz, Poland
[2
]Policlinico G.B. Rossi, Verona, Italy
[3
]GRID grid.476306.0, EBMT Data Office, ; Leiden, The Netherlands
[4
]ISNI 0000 0001 2300 0941, GRID grid.6530.0, Università di Roma “Tor Vergata”, ; Roma, Italy
[5
]ISNI 0000 0001 2151 3065, GRID grid.5606.5, Division of Infectious Diseases, , University of Genoa (DISSAL) and Ospedale Policlinico San Martino, ; Genoa, Italy
[6
]ISNI 0000 0001 2205 0971, GRID grid.22254.33, Medical University, ; Poznań, Poland
[7
]ISNI 0000 0001 2292 1474, GRID grid.412116.1, Hôpital Henri Mondor, Assistance Publique-Hopitaux de Paris (AP-HP) and Paris-Est-Créteil
University, ; Creteil, France
[8
]Karolinska University Hospital, and Karolinska Institutet Stockholm, Stockholm, Sweden
[9
]ISNI 0000 0001 2221 2926, GRID grid.17788.31, Hadassah University Hospital, ; Jerusalem, Israel
[10
]ISNI 0000 0004 1767 647X, GRID grid.411251.2, Hospital de la Princesa, ; Madrid, Spain
[11
]GRID grid.410567.1, EBMT Activity Survey Office, Hematology, Department of Medicine, , University Hospital, ; Basel, Switzerland
[12
]ISNI 0000 0004 0578 8220, GRID grid.411088.4, Universitätsklinikum Frankfurt, Goethe-Universität, ; Frankfurt am Main, Germany
[13
]ISNI 0000000113287408, GRID grid.13339.3b, Department of Hematology, Oncology and Internal Medicine, , Medical University of Warsaw, ; Warsaw, Poland
[14
]GRID grid.15496.3f, Università Vita-Salute San Raffaele, ; Milan, Italy
[15
]ISNI 0000 0004 1767 8416, GRID grid.73221.35, Hospital Universitario Puerta de Hierro Majadahonda, ; Madrid, Spain
[16
]Hematology Unit, G. Gaslini Children’s Institute, Genova, Italy
[17
]ISNI 0000000090126352, GRID grid.7692.a, Department of Haematology, , University Medical Centre, ; Utrecht, The Netherlands
[18
]ISNI 0000000089452978, GRID grid.10419.3d, Leiden University Hospital, ; Leiden, The Netherlands
[19
]ISNI 0000 0000 9244 0345, GRID grid.416353.6, Department of Haemato-oncology, , St Bartholomew’s Hospital, Barts Health NHS Trust, ; London, UK
[20
]ISNI 0000 0001 2107 2845, GRID grid.413795.d, Chaim Sheba Medical Center, ; Tel-Hashomer, Israel
[21
]ISNI 0000 0000 9422 8284, GRID grid.31410.37, Sheffield Teaching Hospitals NHS Foundation Trust, ; Sheffield, UK
[22
]ISNI 0000 0001 2180 3484, GRID grid.13648.38, Department of Stem Cell Transplantation, , University Hospital Eppendorf, ; Hamburg, Germany
[23
]ISNI 0000 0004 1937 1100, GRID grid.412370.3, Department of Hematology, , Hospital Saint Antoine, ; Paris, France
[24
]ISNI 0000 0004 1937 0642, GRID grid.6612.3, Hematology, Medical Faculty, , University of Basel, ; Basel, Switzerland
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