[1] Department of Hematology and Oncology,
[2] Georg-August University,undefined
[3] Robert-Koch-Str. 40,undefined
[4] D-37075 Göttingen,undefined
[5] Germany e-mail: cbinder@med.uni-goettingen.de Fax: +49-551-392914,undefined
[6] Institute of Hematopathology,undefined
[7] Christian-Albrecht-University,undefined
[8] Kiel,undefined
[9] Germany,undefined
[10] 2nd Medical Clinic,undefined
[11] Christian-Albrecht-University,undefined
[12] Kiel,undefined
[13] Germany,undefined