1. Department of Neurology, Inje University College of Medicine, Ilsan Paik Hospital, Goyang, Korea.
2. Department of Nursing, Samsung Medical Center, Seoul, Korea.
3. Department of Clinical Nursing Science, Graduate School of Clinical Nursing Science, Sungkyunkwan University, Seoul, Korea.
4. Department of Neurology, Neuroscience Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
5. Department of Neurology, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea.