1. Statistics Korea: 2019.03.22 Press Releases: 2018 Korean Social Index (2019)
2. The Ministry of Health and Welfare (MOHW): 2017.4.02 Press Releases: Four out of five patients with ‘stroke’ are 60 years of age or older (2017)
3. The Ministry of Health and Welfare (MOHW): 2017 Disabled Fact-finding (2017)
4. Seo, H.G., Beom, J., Oh, B.M., Han, T.R.: Effects of robot-assisted upper limb training on hemiplegic patients. Brain Neurorehabil. 7(1), 39–47 (2014)
5. KITSTEP: Medical Service Robot (2019)