Funding for this research was provided by:
Regionalt Forskningsfond, Midt-Norge (ES546258)
Text and Data Mining valid from 2018-12-01
Received: 25 July 2018
Accepted: 4 December 2018
First Online: 18 December 2018
Ethics approval and consent to participate
: This project was reviewed by the Regional Committee for Medical and Health Research Ethics, REC Central, Norway, which waived the need for approval (REK number 2015/1548). Verbal consent to participate in the study was obtained from all participants and confirmed by participating in collecting the data using their private smart phones or using the manual form. As no identifiable personal data was registered or traceable, the project was not subject to notification to the Norwegian Center for Research Data (NSD), according to national regulations.
: Not applicable.
: The authors declare no competing interests.
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