Published on in Vol 10, No 1 (2021): January
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/22463, first published
.

1 Institute of Sport and Exercise Sciences, Münster University , Münster , DE
2 Asociación Parkinson Madrid , Madrid , ES
3 Campus Neurológico Sénior , Torres Vedras , PT
4 Department of Neurorehabilitation Sciences, Casa di Cura del Policlinico , Milan , IT
*these authors contributed equally