Affiliation: | 1. Leiden Institute of Chemistry, Leiden University, PO Box 9502, 2300 RA Leiden, The Netherlands;2. Department of Immunohematology and Bloodtransfusion, Leiden University Medical Center, PO Box 9600, 2300 RC Leiden, The Netherlands;3. Department of Clinical Oncology, Leiden University Medical Center, PO Box 9600, 2300 RC Leiden, The Netherlands |