Published on in Vol 23, No 9 (2021): September
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/31627, first published
.

1 Department of Sport, Physical Education and Health, Hong Kong Baptist University , Hong Kong , HK
2 Center for Health and Exercise Science Research, Hong Kong Baptist University , Hong Kong , HK
3 Institute of Applied Health Sciences, Coburg University of Applied Science and Arts , Coburg , DE
*these authors contributed equally