Safety, feasibility, acceptability and effects of a behaviour-change intervention to change physical activity behaviour among people with multiple sclerosis: results from the iStep-MS randomised controlled trial.
Supplemental material for this article is available online. Trial registration: Changing physical activity behaviour in people with MS: the iStep-MS trial; https://doi.org/10.1186/ISRCTN15343862; ISRCTN1534386
