Markus, M.
Abendroth, A.
Noureddine, R.
Paul, A.
Breitenbuecher, S.
Virchow, I.
Schmid, K. W.
Markus, P.
Schumacher, B.
Wiesweg, M.
Wendling, J.
Mende, B.
Siveke, J. T.
Schuler, M.
Kasper, S. http://orcid.org/0000-0002-5947-8733
Funding for this research was provided by:
Deutsche Krebshilfe (110534)
Bundesministerium für Bildung und Forschung (German Cancer Consortium)
Universitätsklinikum Essen
Article History
Received: 13 May 2020
Accepted: 18 August 2020
First Online: 25 August 2020
Compliance with ethical standards
:
: All authors declare, that there are no conflicts of interest in relation to this study.
: All procedures performed in this study were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: All personal patient data were anonymized in the data base and the data were analyzed by a blinded researcher. Anonymized analyses of clinical data are covered by the general treatment contract of the university hospital Essen, which is signed by the patient. Against this background, the study was approved by the local Ethics Committee of the Medical Faculty of the University Duisburg-Essen (No. 15–6497).