Use of low-cost virtual reality in the treatment of the upper extremity in chronic stroke: a randomized clinical trial.

"Declarations Ethics approval and consent to participateThe study was approved by the Human Ethics Committee of the Rey Juan Carlos University. Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding This study is funded by National Polytechnic School from Ecuador. The research leading to these results has received funding from the Spanish Ministry of Economy and Competitiveness as part of the project: "ROBOASSET: Intelligent robotic systems for assessment and rehabilitation in upper limb therapies" (PID2020-113508RB-I00), funded by AEI/10.13039/501100011033, and from the i-REHAB project “AI-powered Robotic Personalized Rehabilitation", Project ISCIII-AES-2022/003041, founded by Instituto de Salud Carlos III (ISCIII) and cofounded and by the European Union."

"Clinical Registration : NCT04166617 Clinical Trials."