[1] Univ Paris 13, Hosp Avicenne, AP HP, Serv Hematol Clin, F-93009 Bobigny, France
[2] St Johannes Hosp, Duisburg, Germany
[3] AZ St Jan Brugge AV, Brugge, Belgium
[4] Ctr Hosp Univ Purpan Pavill Med, Toulouse, France
[5] Kings Coll Hosp London, London, England
[6] Tel Aviv Univ, Tel Aviv Sourasky Med Ctr, IL-69978 Tel Aviv, Israel
[7] Radboud Univ Nijmegen, Med Ctr, NL-6525 ED Nijmegen, Netherlands
[8] Erasmus MC, Rotterdam, Netherlands
[9] Hosp Univ La Fe, Valencia, Spain
[10] Hosp Univ Salamanca, Salamanca, Spain
[11] Ctr Hosp Univ Nancy Hematol & Med Interne, Vandoeuvre Les Nancy, France
[12] Skane Univ Hosp, Lund, Sweden
[13] Univ Klinikum Carl Gustav Carus, Dresden, Germany
[14] Univ Freiburg, Med Ctr, D-7800 Freiburg, Germany
[15] Ctr Hosp Reg Univ Claude Huriez, Serv Malad Sang, Lille, France
[16] Univ Pavia, Dept Hematol Oncol, Fdn Inst Ricovero & Cura Carattere Sci Policlin S, I-27100 Pavia, Italy
[17] Hannover Med Sch, D-3000 Hannover, Germany
[18] St Jamess Inst Oncol, Leeds, W Yorkshire, England
[19] Celgene Corp, Summit, NJ USA
[20] Karolinska Inst, Karolinska Univ Hosp, Stockholm, Sweden