- Correspondence to Dr Yasuhiro Nagahama, Department of Geriatric Neurology, Shiga Medical Center, 5-4-30 Moriyama, Moriyama, Shiga 524-8524, Japan;
- Received September 11, 2014
- Revised November 18, 2014
- Accepted November 26, 2014
- First published December 16, 2014.
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