...1,

Postdoctoral Fellow of the Japan Society for the Promotion of Science for Research Abroad.

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...2,

Postdoctoral Fellow of the Japan Society for the Promotion of Science.

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... as

We note that there are two typographic errors in Eqs. (13) and (14) of T03. The equations we show here are the correct expressions.

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...(Seitz et al. 1998)

Throughout this paper, we adopt a cosmology with $(h,\Omega_0,\lambda_0)=(0.7,0.3,0.7)$, where $h\equiv H_0/100.$

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... Spitzer

URL: http://sirtf.caltech.edu/

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... ASTRO-F

URL: http://www.ir.isas.ac.jp/ASTRO-F/index-e.html

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... Observatory

URL: http://www.rssd.esa.int/herschel/

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... SPICA

URL: http://www.ir.isas.ac.jp/SPICA/index.html

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...limits

Generally, in a sky region suitable for cosmological surveys, the cirrus confusion is less severe than the galaxy confusion (see, e.g., Dole et al. 2003).

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...$z \ga 4$

Actually, this assumption has little effect on the results.

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