Funding for this research was provided by:
Johann Wolfgang Goethe-Universität, Frankfurt am Main
Article History
Received: 27 September 2021
Accepted: 11 January 2022
First Online: 11 February 2022
Declarations
:
: BJS serves on the scientific advisory board for Tonal Corporation, a manufacturer of fitness equipment. The other authors (CR and MB) declare that the submitted work was carried out in the absence of any personal, professional, or financial relationships that could potentially be construed as a conflict of interest.
: Not applicable.
: Not applicable.
: CR, BJS, and MB give the publisher the permission to publish this review.