[1] Univ Leipzig, Med Ctr, Dept Hematol Oncol, D-7010 Leipzig, Germany
[2] Univ Leipzig, Dept Transfus Med, Dept Hematol Oncol, D-7010 Leipzig, Germany
[3] Univ Leipzig, Inst Pathol, D-7010 Leipzig, Germany
[4] Klinikum Erfurt, Erfurt, Germany
[5] Klinikum Chemnitz, Chemnitz, Germany
[6] Klinikum Dessau, Dessau, Germany