[1] Charit Univ med Berlin, Dept Pediat Oncol Hematol, Berlin, Germany
[2] German Canc Res Ctr, German Canc Consortium DKTK, Heidelberg, Germany
[3] Frankfurt Canc Inst, Frankfurt, Germany
[4] Goethe Univ Hosp Frankfurt, Dept Med Hematol Oncol, Frankfurt, Germany
[5] Helmholtz Ctr Munich German Ctr Environm Hlth HMG, Dept Apoptosis Hematopoiet Stem Cells, Munich, Germany
[6] Univ Ulm, Dept Pediat & Adolescent Med, Med Ctr, Ulm, Germany
[7] Univ Med Ctr Schleswig Holstein, Med Dept 2, Hematol Oncol, Campus Kiel, Kiel, Germany