1 Department of Clinical Hematology, Amsterdam University Medical Centres, University of Amsterdam, Meibergdreef 9, 1105AZ, Amsterdam.
2 Department of Laboratory Medicine, Radboud University medical Centre, Nijmegen, The Netherlands, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, the Netherlands; Sanquin Blood Bank and Sanquin Diagnostics BV, Plesmanlaan 125, 1066 CX Amsterdam.
4 Department of Clinical Hematology, Amsterdam University Medical Centres, University of Amsterdam, Meibergdreef 9, 1105AZ, Amsterdam, the Netherlands; Department of Blood Cell Research, Sanquin Research, Plesmanlaan 125, Amsterdam.
5 Department of Clinical Hematology, Amsterdam University Medical Centres, University of Amsterdam, Meibergdreef 9, 1105AZ, Amsterdam. b.j.biemond@amsterdamumc.nl.