1. Department of Biological Science; Kongju National University; Gongju Korea
2. Department of Neurology, Samsung Medical Center; Sungkyunkwan University School of Medicine; Seoul Korea
3. The National Project for Rehabilitative Robot Translational Research; Ministry of Health and Welfare; Cheongwon-gun Korea
4. Department of Neurology; Kyung Hee University College of Medicine, Kangdong Hospital; Seoul Korea
5. Department of Neurology; Yonsei University Wonju College of Medicine; Wonju Korea