Text and Data Mining valid from 2018-11-08
Received: 18 April 2018
Accepted: 26 October 2018
First Online: 8 November 2018
: Through the University of Hamburg, F.G., F.B. and C.H. (as the inventors) have submitted a patent application about the advanced XFI-scheme, application number 10 2017 003 517.2, application status: pending. The other co-authors declare no competing financial interests. All authors declare no competing non-financial interest.