1. Department of Hematology, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
2. Department of Hematopoiesis, Sanquin Research, 1006 AD Amsterdam, The Netherlands
3. Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
4. Center for Proteomics and Metabolomics, Leiden University Medical Center, 2300 RC Leiden, The Netherlands