Received: 16 May 2021
Accepted: 18 November 2021
First Online: 18 December 2021
: The study was carried out according to the latest revision of the declaration of Helsinki. Ethical approval was granted by the Regional Committees for Medical and Health Research Ethics of West Norway (REK-No. 2018-2390) and all volunteers signed a written informed consent before the study intervention and were informed of their rights to withdraw from the study at any time without having to provide a reason.
: Not applicable.
: The authors declare that they have no competing interests.