[1] Kings Coll London, Dept Haematol Med, Univ London Kings Coll Hosp, London SE5 9RS, England
[2] Azienda Osped Univ San Martino, Dept Hematol 2, Genoa, Italy
[3] German Red Cross Blood Transfus Serv, Inst Clin Transfus Med & Immunogenet, Ulm, Germany
[4] Univ Ulm, Ulm, Germany
[5] Univ Basel Hosp, Dept Hematol, CH-4031 Basel, Switzerland
[6] Univ Naples Federico II, Dept Biochem & Med Biotechnol, Naples, Italy
[7] Royal Bournemouth Hosp, Dept Haematol, Bournemouth, Dorset, England
[8] Univ Cambridge, Dept Haematol, Cambridge, England
[9] King Faisal Specialist Hosp & Res Ctr, Adult Hematol HSCT Oncol Ctr, Riyadh 11211, Saudi Arabia
[10] Univ Canc Ctr Hamburg, Dept Oncol & Hematol, Hamburg, Germany
[11] Univ Hosp Essen, W German Canc Ctr, Dept Hematol, Essen, Germany
[12] Hannover Med Sch, Dept Hematol Hemostasis Oncol & Stem Cell Transpl, D-3000 Hannover, Germany
[13] Rhein Westfal TH Aachen, Univ Hosp, Dept Hematol & Oncol, D-52062 Aachen, Germany
[14] G Gaslini Childrens Res Hosp, Hematol Unit, Genoa, Italy
[15] Univ London, Ctr Med & Healthcare Educ, London, England
[16] Leiden Univ, Med Ctr, Dept Med Stat & Bioinformat, European Blood & Marrow Transplant Clin Trials Of, Leiden, Netherlands
[17] Hosp St Louis, Paris, France
[18] Univ Paris 07, Paris, France