- Correspondence to Dr Jong Seok Bae, Department of Neurology, College of Medicine, Hallym University, Seoul, Korea, Kangdong Sacred Heart Hospital, 150 Seongan-ro, Gangdong-gu, Seoul 134-701, Korea;
- Received July 8, 2013
- Revised November 27, 2013
- Accepted November 28, 2013
- First published December 19, 2013.
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