[1] Sheffield Teaching Hosp NHS Fdn Trust, Dept Haematol, Sheffield, S Yorkshire, England
[2] Univ Sheffield, Dept Oncol & Metab, Sheffield, S Yorkshire, England
[3] EBMT Execut Off, Barcelona, Spain
[4] Hosp Univ Puerta de Hierro, Serv Hematol & Hemoterapia, Madrid, Spain
[5] Azienda Osped Univ Careggi, Dept Hematol, Florence, Italy
[6] Southampton Gen Hosp, Dept Haematol, Southampton, Hants, England
[7] Med Univ Wien, Klin Innere Med 1, Vienna, Austria
[8] Univ Med Ctr, Dept Haematol, Utrecht, Netherlands
[9] Inst Paoli Calmettes, Programme Transplantat & Therapie Cellulaire, Marseilles, France
[10] Hosp St Antoine, Dept Hematol, Paris, France