Text and Data Mining valid from 2020-01-08
Received: 10 August 2019
Accepted: 1 January 2020
First Online: 8 January 2020
Ethics approval and consent to participate
: Medisch Ethische Toetsingscommissie, University Medical Center Groningen; METc M15.168207.
: All authors give consent for publication.
: The authors declare that they have no competing interests.