Text and Data Mining valid from 2019-12-01
Received: 21 May 2019
Accepted: 4 December 2019
First Online: 23 December 2019
Ethics approval and consent to participate
: Aalborg University, Faculty of Social Sciences approved this study under the Danish Data Protection Agency (study number: 2015-57-0001). Informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.