Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (SFB/TRR34 C7)
Text and Data Mining valid from 2018-10-22
Received: 2 February 2018
Accepted: 9 October 2018
First Online: 22 October 2018
Ethics approval and consent to participate
: The study was approved by the Ethical Committee of the Aerztekammer Westfalen-Lippe and of the Medical Faculty, University of Muenster (vote no. 2010–155-f-S). The need for consent was waived in this vote.
: There was no need for a consent for publication (see ethics approval and consent to participate).
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.