参考：
Multiple Authors with common affiliations in IEEEtran conference template
Latex: 添加IEEE会议论文作者信息
参考格式：
\documentclass[conference]{IEEEtran}
\begin{document}
\title{An Important Conference Contribution}
\author{\IEEEauthorblockN{Author One\IEEEauthorrefmark{1},
Author Two\IEEEauthorrefmark{2}, Author Three\IEEEauthorrefmark{3} and
Author Four\IEEEauthorrefmark{4}}
\IEEEauthorblockA{Department of Whatever,
Whichever University\\
Wherever\\
Email: \IEEEauthorrefmark{1}author.one@add.on.net,
\IEEEauthorrefmark{2}author.two@add.on.net,
\IEEEauthorrefmark{3}author.three@add.on.net,
\IEEEauthorrefmark{4}author.four@add.on.net}}
\maketitle
\end{document}
效果图：
注意，如果编译过程中遇到\misplaced \crcr 错误，请仔细检查左括号和右括号的匹配问题！
2018.4