Funding for this research was provided by:
Universitetet i Bergen
Text and Data Mining valid from 2019-11-10
Received: 23 May 2019
Accepted: 30 October 2019
First Online: 10 November 2019
Ethics approval and consent to participate
: The Regional Committee for Health and Medical Research Ethics Norway approved the study (REK 2017/783). The participants signed a written consent prior to testing. Study participation was voluntary with the option to withdraw/drop-out at any time.
: Not applicable.
: The authors declare that they have no competing interests.