J. J. Hofstra, MD1*, E. van Twuyver, PhD2*, I. Kleine-Budde, PhD2*, C. W. Choi, MD, PhD1*, M. Levi, Prof, MD, PhD1*, F. W.G. Leebeek, MD, PhD3, J. G.R. de Monchy, Prof, MD, PhD4*, P. F. Ypma, MD, PhD5*, A. D. Huitema, PhD6*, A. Nienhuis7* and P. F. Strengers, PhD2*
1Department of Internal Medicine, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
2Medical Department, Sanquin, Amsterdam, Netherlands
3Department of Hematology, Erasmus Medical Center, Rotterdam, Netherlands
4Department of Allergology, University Medical Centre Groningen, Groningen
5Department of Hematology, HAGA Hospital, The Hague
6Department of Pharmacy and Pharmacology, Slotervaart Hospital, Amsterdam
7Nienhuis Medstat, Schoorl