- Correspondence to: J-i Kira Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University,3-1-1, Maidashi, Higashi-ku, Fukuoka 812-8582, Japan;
- Received 6 October 2005
- Accepted 27 April 2006
- Revised 18 March 2006
- Published online 15 September 2006.
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