Ghulam J. Mufti, John M. Bennett, Jean Goasguen, Barbara J. Bain, Irith Baumann, Richard Brunning, Mario Cazzola, Pierre Fenaux, Ulrich Germing, Eva Hellström-Lindberg, Itsuro Jinnai, Atsushi Manabe, Akira Matsuda, Charlotte M. Niemeyer, Guillermo Sanz, Masao Tomonaga, Teresa Vallespi, Ayami Yoshimi. Diagnosis and classification of myelodysplastic syndrome: International Working Group on Morphology of myelodysplastic syndrome (IWGM-MDS) consensus proposals for the definition and enumeration of myeloblasts and ring sideroblasts. Haematologica 2008;93(11):1712-1717; https://doi.org/10.3324/haematol.13405.