1. Jan J. Cornelissen, Wim L.J. van Putten, H. Berna Beverloo, and Bob L|f-wenberg, Erasmus University Medical Center, Rotterdam; Marinus van Marwijk Kooy and Leo F. Verdonck, Isala Clinics, Zwolle; Pierre W. Wijermans, Haga Hospital, the Hague; Bart J. Biemond, Academic Medical Center; Gert J. Ossenkoppele, Vrije Universiteit Medical Center, Amsterdam; Edo Vellenga, University Medical Center, Groningen, the Netherlands; Dimitri Breems, Hospital Campus Stuivenberg, Antwerp; Johan Maertens, University...