- Dr Hayato Nakamura, Third Department of Internal Medicine, University of Occupational and Environmental Health, Japan, School of Medicine, 1-1 Iseigaoka, Yahatanishi-ku Kitakyushu 807-8555, Japan;
- Revised January 4, 2008
- Accepted January 8, 2008
- First published May 13, 2008.
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