1. From Erasmus MC Cancer Institute, Rotterdam (P.S., A. Broijl, S.L.), the Department of Hematology, Amsterdam University Medical Center and Vrije Universiteit Amsterdam, Amsterdam (I.S.N., N.W.C.J.D.), the Department of Hematology, St. Antonius Hospital, Nieuwegein (I.S.N.), University Medical Center Groningen, Groningen (W.R.), and Janssen Research and Development, Leiden (E.M.J.B., C.J.B.) — all in the Netherlands; National and Kapodistrian University of Athens, Athens (M.A.D.), and the Department of...