Funding for this research was provided by:
Samfund og Erhverv, Det Frie Forskningsråd (8019-00005A)
Text and Data Mining valid from 2019-09-09
Received: 15 July 2019
Accepted: 3 September 2019
First Online: 9 September 2019
Ethics approval and consent to participate
: The author declares that he has no competing interests.