1. Catalan Institute of Oncology-Hospitalet, Barcelona, Spain; European Society for Blood and Marrow Transplantation (EBMT) Lymphoma Working Party, Paris, France
2. EBMT Lymphoma Working Party, Paris, France
3. Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico; University of Milan, Milano, Italy
4. Imperial College, London, United Kingdom
5. Hospital Universitario de la Princesa, Madrid, Spain
6. Policlinico Universtiario Tor Vergata, Rome, Italy
7. Cliniques Universitaries St Luc, Brussels, Belgium
8. Heinrich Heine Universität, Düsseldorf, Germany
9. Policlinico Universitario di Modena, Modena, Italy
10. Hospital de Navarra, Pamplona, Spain
11. Asklepios Klinik St Georg, Hamburg, Germany
12. Catalan Institute of Oncology-Hospitalet, Barcelona, Spain
13. EBMT Lymphoma Working Party, Paris, France; University of Heidelberg, Heidelberg, Germany