Sandra Maria Dold, Mandy-Deborah Möller, Gabriele Ihorst, Christian Langer, Wolfram Pönisch, Lars-Olof Mügge, Stefan Knop, Johannes Jung, Christine Greil, Ralph Wäsch, Monika Engelhardt. Validation of the revised myeloma comorbidity index and other comorbidity scores in a multicenter German study group multiple myeloma trial. Haematologica 2021;106(3):875-880; https://doi.org/10.3324/haematol.2020.254235.