Received: 23 March 2021
Accepted: 7 June 2021
First Online: 30 June 2021
: The study was conducted in accordance with Danish Legislation and the Declaration of Helsinki. The North Denmark Region Committee on Health Research Ethics was contacted before study initiation, and the study was granted an exemption from requiring ethics approval. The study was registered at the Danish Data Protection Agency (2018–82). Enrolment required written informed consent preceded by both oral and written information on the study.
: Not applicable.
: MGJ holds shares in the company Fysiometer which produced the hard- and software used for measuring balance, reaction time, weight, along with grip- and lower limb strength. All other authors declare that they have no competing interests.