H. Eichler1, S. Seetharaman2, M. Latta1, J.W. Kurtz2, G. Moroff2
1Institute of Transfusion Medicine and Immunology, German Red Cross Blood Service of Baden-Wiirttemberg-Hessen, Faculty of Clinical Medicine Mannheim, University of Heidelberg, Germany
2American Red Cross, Holland Laboratory, Rockville, Maryland, USA