[1] City Hosp, Inst Hemostaseol & Transfus Med, D-67063 Ludwigshafen, Germany
[2] Krankenhaus Stadt Wien Lainz, Inst Lab Med, Vienna, Austria
[3] Univ Gottingen Klinikum, Abt Transfus Med, Gottingen, Germany
[4] Paul Ehrlich Inst, Dept Haematol & Transfus Med, Langen, Germany
[5] Max Planck Inst Physiol & Clin Res, Kerckhoff Klin, Inst Hemostaseol & Transfus Med, D-6350 Bad Nauheim, Germany