[1] Erasmus MC Canc Inst, Dept Hematol, Rotterdam, Netherlands
[2] UMC Utrecht, Ctr Canc, Dept Hematol, Utrecht, Netherlands
[3] Univ Amsterdam, Acad Med Ctr, Hematol, NL-1105 AZ Amsterdam, Netherlands
[4] Erasmus MC Canc Inst, Rotterdam, Netherlands
[5] Haga Teaching Hosp, The Hague, Netherlands
[6] Isala Clin, Dept Internal Med, Zwolle, Netherlands
[7] UMCN, Hematol, Nijmegen, Netherlands
[8] VU Univ Med Ctr Amsterdam, Dept Hematol, Amsterdam, Netherlands
[9] Albert Schweitzer Hosp, Dept Internal Med, Dordrecht, Netherlands
[10] Med Spectrum Twenthe, Enschede, Netherlands
[11] Erasmus MC Canc Inst, HOVON Data Ctr, Rotterdam, Netherlands
[12] Univ Groningen, Med Ctr, Dept Hematol, Groningen, Netherlands