[1] Paul Ehrlich Inst, Langen, Germany
[2] Ludwig Maximilians Univ LMU, Max von Pettenkofer Inst, Munich, Germany
[3] Ludwig Maximilians Univ LMU, Rudolf Marx Stiftung, Munich, Germany
[4] Paul Ehrlich Inst, Div Hematol Transfus Med, Paul Ehrlich Str 51-59, D-63225 Langen, Germany