[1] Hosp Clin Barcelona, IDIBAPS, Barcelona, Spain
[2] Univ Hosp Ulm, Ulm, Germany
[3] German Red Cross Blood Transfus Serv Baden Wurtte, Ulm, Germany
[4] Radboud Univ Nijmegen, Med Ctr, Dept Hematol, NL-6525 ED Nijmegen, Netherlands
[5] Cleveland Clin, Taussig Canc Inst, Cleveland, OH 44106 USA
[6] St Louis Hosp, Paris, France
[7] Royal Melbourne Hosp, Clin Haematol & BMT Serv, Parkville, Vic 3050, Australia
[8] Johns Hopkins Univ, Dept Med, Div Hematol, Baltimore, MD USA
[9] Childrens Hosp Philadelphia, Philadelphia, PA 19104 USA
[10] Duke Univ, Med Ctr, Durham, NC USA
[11] Osaka Univ, Grad Sch Med, Osaka, Japan
[12] Alexion Pharmaceut Inc, Global Clin Dev, Cheshire, CT USA
[13] St James Univ Hosp, Dept Haematol, Leeds, W Yorkshire, England