The effects of virtual reality training in stroke and Parkinson's disease rehabilitation: a systematic review and a perspective on usability.

"Conflict of interest The authors declare that they have no competing interests. Declarations Ethics approval and consent to participateNot applicable. Consent for publicationNot applicable. Competing interestsNo competing interests declared Competing interests No competing interests declared"

"Funding Not applicable. The study was performed as part of the KS’s Master’s thesis at a joint postgraduate program (Masters of Medical Science with major in Physiotherapy and Nordic Masters of Gerontology) at Lund University, Sweden. Open access funding provided by Lund University."

"This systematic review was conducted in accordance with PRISMA guideline [] to guarantee high quality reporting. The Cochrane Handbook [] for systematic reviews was used as a reference for methodology. The protocol of this study was not registered."