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Acknowledgments
The work is supported through Deutsche Krebshilfe grants no. 109569 + no. 111424 (ME, RW).
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The authors declare that they have no conflict of interest.
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Ihorst, G., Waldschmidt, J., Schumacher, M. et al. Analysis of survival by tumor response: have we learnt any better?. Ann Hematol 94, 1615–1616 (2015). https://doi.org/10.1007/s00277-015-2426-8
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DOI: https://doi.org/10.1007/s00277-015-2426-8