Ludwig, N.
Lotze, M. T.
Article History
First Online: 21 January 2020
Compliance with ethical guidelines
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: N. Ludwig and M.T. Lotze declare that they have no competing interests.
: Research reported in this publication was supported by the National Cancer Institute of the National Institutes of Health under awards R01CA181450 and R01CA206012 to Michael Lotze. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. Dr. Ludwig was supported by the Leopoldina Fellowship LPDS 2017-12 from the German National Academy of Sciences Leopoldina.