multiple_affiliations.tex

% Multiple affiliations per author. Based on
% http://anthony.liekens.net/index.php/LaTeX/MultipleFootnoteReferences

\documentclass{scrartcl}
\usepackage{hyperref}
\newcommand{\footremember}[2]{%
	\footnote{#2}
	\newcounter{#1}
	\setcounter{#1}{\value{footnote}}%
	}
\newcommand{\footrecall}[1]{%
	\footnotemark[\value{#1}]%
	}

\title{How to bowl properly}
\author{%
  The Dude\footremember{alley}{Holly Star Lanes Bowling Alley}%
  \and Walter Sobchak\footremember{trailer}{Probably somewhere in a trailer park}%
  \and Jesus Quintana\footrecall{alley} \footnote{Mexico?}%
  \and Uli Kunkel\footrecall{trailer} \footnote{Germany?}%
  }

\begin{document}
\maketitle
This example is based on \href{http://anthony.liekens.net/index.php/LaTeX/MultipleFootnoteReferences}{\emph{How do I refer to the same footnote more than once in LaTeX?}} by \href{http://anthony.liekens.net/}{Anthony Liekens}.
\end{document}