Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (SFB854)
Text and Data Mining valid from 2019-11-08
Received: 12 June 2019
Accepted: 8 October 2019
First Online: 8 November 2019
Compliance with ethical standards
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008.