[1] Hannover Med Sch, Pediat Hematol & Oncol, Hannover, Germany
[2] Hannover Med Sch, Integrated Res & Treatment Ctr Transplantat IFB T, Hannover, Germany
[3] Hannover Med Sch, Inst Transfus Med, Hannover, Germany
[4] Hannover Med Sch, Inst Immunol, Hannover, Germany
[5] Free Univ Berlin, Charite Univ Med Berlin, Berlin, Germany
[6] Berlin Inst Hlth, Dept Pediat Hematol & Oncol, Berlin, Germany
[7] Berlin Inst Hlth, Dept Neuropathol, Berlin, Germany
[8] Hannover Med Sch, Dept Hematol Oncol Hemostaseol & Stem Cell Transp, Hannover, Germany
[9] Hannover Med Sch, Inst Cellular Therapeut, Hannover, Germany