This is TeX, Version 3.14159 (Web2C 7.3.1) (format=latex 2007.11.16)  14 MAY 2008 16:03
**Jan_2008_Authors_Visitors1.tex
(Jan_2008_Authors_Visitors1.tex
LaTeX2e <2001/06/01>
Babel <v3.7h> and hyphenation patterns for american, french, german, ngerman, i
talian, nohyphenation, loaded.
! Undefined control sequence.
l.1 \affiliation
                {Institute of Physics, Academia Sinica, Taipei, Taiwan 11529...

? x
 
Here is how much of TeX's memory you used:
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 14 hyphenation exceptions out of 10000
 5i,0n,1p,127b,7s stack positions out of 3000i,100n,1500p,50000b,4000s
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