1. 1Hôpitaux Universitaires de Genève and Faculty of Medicine, University of Geneva, Geneva, Switzerland
2. 2EBMT Leiden Statistical Unit, Leiden, The Netherlands
3. 3RM Gorbacheva Research Institute, Pavlov University, St. Petersburg, Russia
4. 4Ospedale San Raffaele s.r.l., Milan, Italy
5. 5EBMT Leiden Study Unit, Leiden, The Netherlands
6. 6Institute of Hematology and Blood Transfusion, Prague, Czech Republic
7. 7University Hospital Basel, Basel, Switzerland
8. 8Bone Marrow Transplantation Unit, Haematology Department, Institute of Haematology and Oncology, IDIBAPS, Hospital Clinic, University of Barcelona, Barcelona, Spain
9. 9Demiroglu Bilim University Istanbul Florence Nightingale Hospital, Istanbul, Turkey
10. 10Oslo University Hospital, Rikshospitalet Oslo, Oslo, Norway
11. 11University Hospital Eppendorf, Hamburg, Germany
12. 12King’s College Hospital, London, United Kingdom
13. 13CHU de Lille, Univ Lille, INSERM U1286, INFINITE 59000, Lille, France
14. 14Department of Oncology and Hematology, University of Milan and Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
15. 15Turku University Hospital, Turku, Finland
16. 16Fundeni Clinical Institute, Bucharest, Romania
17. 17Hematology and BMT Unit, ASST Fatebenefratelli-Sacco, University of Milan, Milan, Italy
18. 18Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
19. 19University of Cologne, Cologne, Germany
20. 20University Clinical Centre, Medical University of Warsaw, Warsaw, Poland
21. 21University College London Hospitals NHS Foundation Trust, London, United Kingdom
22. 22Hôpital Saint-Louis, APHP, Université de Paris Cité, Paris, France