- Correspondence to Dr Yoshihisa Takiyama, Department of Neurology, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, 1110 Shimokato, Chuo-shi, Yamanashi 409-3898, Japan;
- Received 11 August 2012
- Revised 27 September 2012
- Accepted 5 October 2012
- Published in print 1 December 2012.
- Published online 27 November 2012.
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