答案1
您可以authblk
按如下方式使用该包:
\documentclass{article}
\usepackage{authblk}
\usepackage{lipsum}
\title{My title}
\author[1]{John Doe}
\author[1,2]{Erika Musterman}
\affil[1]{Somewhere}
\affil[2]{Over the rainbow}
\date{}
\renewcommand\Affilfont{\itshape\small}
\begin{document}
\maketitle
\begin{abstract}
\lipsum[1]
\end{abstract}
\end{document}