Text and Data Mining valid from 2019-06-20
Received: 29 March 2019
Accepted: 26 April 2019
First Online: 20 June 2019
Ethics approval and consent to participate
: As this was a retrospective analysis on data obtained from the archives of the clinic no written informed consent was obtained. The ethics committee of faculty of medicine of the University of Bochum approved the study (reference number 18–6472).
: Not applicable.
: U.S. has received honoraria as a speaker from Novartis, GSK, medac and as an Advisory Board member from Roche and Optune. M.M. has received an SIO grant from medac.
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