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I use the achemso class in order to write a scientific article. I have to set author and their affiliation with affiliation or altaffiliation commands. Here is a short example :

\documentclass{achemso}

\title{Title}

\author{Author 1}
\affiliation{lab 1}
\author{Author 2}
\email{author@lab}
\author{Author 3}
\author{Author 4}
\affiliation{lab 2}

\date{\today}

\begin{document}

\end{document}

output :

enter image description here

I would like author 1 to belong to lab 1 and lab 2 and other author to belong only to lab 2. But it does not work. With the above example author 1 belongs only to lab 1.

If I add an \altaffiliation command for lab 2 just after author 1 it works but lab 2 appears two times at the bottom of the page.

enter image description here

How can I avoid that achemso write two times the same affiliation ?

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1 Answer

up vote 3 down vote accepted

You need the \alsoaffiliation command, which deals with this case:

\documentclass{achemso}

\title{Title}

\author{Author 1}
\affiliation{lab 1}
\alsoaffiliation{lab 2}
\author{Author 2}
\email{author@lab}
\author{Author 3}
\author{Author 4}
\affiliation{lab 2}

\date{\today}

\begin{document}

\end{document}

\altaffiliation is intended for the case where you have a specific note or similar for one or more authors, whereas \alsoaffiliation is used for 'standard' affiliations which are shared in some way.

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Thanks a lot, I did not find this in the doc. Nevertheless, for me its a kind of magic ! How does latex know that the contains of \alsoaffiliation and \affiliation refer to lab 2 ? –  Ger Jun 21 '12 at 21:01
    
Actually it does not work with accentuated letters, such as université in france. Is there a way to fix this ? –  Ger Jun 22 '12 at 8:00
    
@Ger It should do: please either post a new question about this or update the example here. –  Joseph Wright Jun 22 '12 at 8:14
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