Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (STA512/19-1)
Text and Data Mining valid from 2020-01-06
Received: 14 December 2018
Accepted: 22 October 2019
First Online: 6 January 2020
Ethics approval and consent to participate
: This trial was reviewed by the Ethics Committee of the Faculty of Medicine at Goethe University Frankfurt and received a favorable ethical opinion (reference 114/17). Full informed written consent will be obtained by the Trial Management Group from all participants. Ulrich Stangier (Varrentrappstr. 40/42, Goethe University, 60486 Frankfurt, Germany) is sponsor-investigator of the trial.
: Not applicable.
: The authors declare that they have no competing interests.