Funding for this research was provided by:
University of Agder (25 000 NOK)
Received: 14 May 2019
Accepted: 24 September 2019
First Online: 7 November 2019
Ethics approval and consent to participate
: The study was approved by the Norwegian Centre for Research Data (reference number: 54390 / 3 / AMS) and the ethics committee of the Faculty for Health and Sport Science, University of Agder. Participation in the study was voluntary. The participants were informed on the registration web-page that through the act of signing up for the study they gave their consent. The participants had the right to withdraw their consent at any time, without having to justify why. An ID-number was generated for each participant, securing the participants confidentiality. Only the first author and main supervisor had access to participants’ personal information and ID-number, which were stored on password-protected personal computers. The participants were given the weighing scale to keep after the study, which was done as an incentive to recruit participants.
: Not applicable.
: The authors declare that they have no competing interests.