Tai-Seung Nam1, Kyung-Wook Kang1, Seok-Yong Choi1, Myeong-Kyu Kim2. 1. From the Departments of Neurology (T.-S.N., K.-W.K., M.-K.K.) and Biomedical Sciences (S.-Y.C.), Chonnam National University Medical School, Gwangju, Korea. 2. From the Departments of Neurology (T.-S.N., K.-W.K., M.-K.K.) and Biomedical Sciences (S.-Y.C.), Chonnam National University Medical School, Gwangju, Korea. mkkim@chonnam.ac.kr.