- Correspondence to Dr Hyun-Ah Kim, Department of Neurology, Brain Research Institute, Keimyung University School of Medicine, 194 Dongsan dong, Daegu 700-712, South Korea;
- Received May 11, 2012
- Revised September 27, 2012
- Accepted October 22, 2012
- First published November 20, 2012.
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