title: Response to letter commenting on: Prognostic relevance of morphological classification models for myelodysplastic syndromes in an era of the revised International Prognostic Scoring System.
authors.affiliation: Department of Hematology, VU University Medical Center, Amsterdam, The Netherlands. Electronic address: m.vanspronsen@vumc.nl.
authors.forename: M F
authors.initials: MF
authors.lastname: van Spronsen
authors.affiliation: Department of Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands.
authors.forename: B I
authors.initials: BI
authors.lastname: Witte
authors.affiliation: Department of Hematology, VU University Medical Center, Amsterdam, The Netherlands.
authors.forename: G J
authors.initials: GJ
authors.lastname: Ossenkoppele
authors.affiliation: Department of Hematology, VU University Medical Center, Amsterdam, The Netherlands.
authors.forename: T M
authors.initials: TM
authors.lastname: Westers
authors.affiliation: Department of Hematology, VU University Medical Center, Amsterdam, The Netherlands.
authors.forename: A A
authors.initials: AA
authors.lastname: van de Loosdrecht
mesh_terms: D009190:Myelodysplastic Syndromes / Q000145:classification*; D011379:Prognosis; D012189:Retrospective Studies