- Correspondence to Dr Takashi Kanda, Department of Neurology and Clinical Neuroscience, Yamaguchi University Graduate School of Medicine, 1-1-1, Minamikogushi, Ube, Yamaguchi 7558505, Japan;
- Received March 14, 2013
- Revised July 20, 2013
- Accepted July 22, 2013
- First published August 7, 2013.
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