- Dr J Tanaka, Department of Medicine (II), Niigata University Medical and Dental Hospital, 1-754 Asahimachi-dori, Chuo-ku, Niigata-city, Niigata 951-8520, Japan;
- Received December 5, 2007
- Accepted February 19, 2008
- First published November 19, 2008.
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