1. Center for Clinical Transfusion Research; Sanquin Research; Leiden The Netherlands
2. Jon J. van Rood Center for Clinical Transfusion Research; Sanquin-Leiden University Medical Center; Leiden The Netherlands
3. Department of Immunohematology and Blood Transfusion; Leiden University Medical Center; Leiden The Netherlands
4. Laboratory for Histocompatibility and Immunogenetics; Sanquin Blood Supply; Rotterdam The Netherlands