Funding for this research was provided by:
German Cancer Consortium
Text and Data Mining valid from 2018-07-06
Received: 27 September 2017
Accepted: 28 June 2018
First Online: 6 July 2018
Ethics approval and consent to participate
: Ethical approval was obtained from the ethics committees of the Medical Faculty of the University of Heidelberg, Germany, the Medical Chamber of Baden-Württemberg, the Ludwig-Maximilians-University of Munich, Germany, and the Technical University of Dresden, Germany. In addition, the study was reviewed by the data protection officers in the German Cancer Research Center and by local officers in Saxony and Baden-Württemberg. All study centers were initiated after approval obtained by the local ethics committees responsible for the participating study centers.For each participant of part 1 of this study electronical informed consent is obtained. Written informed consent is obtained for all participants of part 2 of the study.
: Not applicable.
: The authors declare that they have no competing interests.
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