Affiliation: | 1. Graduate Program in Speech and Language Pathology, Yonsei University, Seoul, Korea;2. Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, Korea;3. Department of Speech Pathology and Audiology, Audiology and Speech Pathology Research Institute, College of Natural Sciences, Hallym University, Chuncheon, Korea;4. Department of Neurology, Yonsei University College of Medicine, Seoul, Korea |