1 Massimo Federico, MD, University of Modena and Reggio Emilia, Modena, Italy; Wouter Plattel, MD, University Medical Center Groningen, Groningen, the Netherlands; Martin Hutchings, MD, Rigshospitalet, Copenhagen, Denmark; Yana Stepanishyna, MD, Haematology Department, Jules Bordet Institute, Brussels, Belgium, National Cancer Institute, Kyiv, Ukraine; Catherine Fortpied, MSc, EORTC Headquarters, Brussels, Belgium; and Marc André, MD, CHU UCL Namur, Yvoir, Belgium.