Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (IN-1150438)
Received: 27 November 2018
Accepted: 4 June 2019
First Online: 16 July 2019
Ethics approval and consent to participate
: The trial of the real data example was approved by our institutional review board (Ethikkommission Medizinische Fakultät Heidelberg, ID S-325/2015).
: Not applicable.
: The authors declare that they have no competing interests.