\documentclass[a4paper, oneside, 10pt]{article}
\usepackage[unicode]{hyperref}
\usepackage[utf8x]{inputenc}
\usepackage[english]{babel}
\date{\today}
\title{}
\author{}
\usepackage[utf8x]{inputenc}
\begin{document}



\subsection{\texorpdfstring{Lab Introduction}{Lab Introduction}}
\label{sec:lab_introduction}

\begin{itemize}
  \item \href{http://nanophys.khu.ac.kr/doku.php}{Lab Home}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=lab:members}{Members}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=lab:research}{Research}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=lab:publications}{Publications}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=lab:patents}{Patents}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=lab:presentations}{Presentations}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=lab:news}{News}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=lab:photos}{Gallery}
\end{itemize}

\begin{itemize}
  \item \href{http://nanophys.khu.ac.kr/../LabNotes}{Lab Notes, internal only}
  \item \href{http://web.khu.ac.kr/~nanophys}{Lab Old Homepage}
\end{itemize}


\begin{center}
\line(1,0){250}
\end{center}



\subsection{\texorpdfstring{Members' Pages}{Members Pages}}
\label{sec:members_pages}


\subsubsection{\texorpdfstring{Principal Investigator}{Principal Investigator}}
\label{sec:principal_investigator}

\begin{itemize}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=user:ykkwon}{Prof. Young-Kyun Kwon}
\end{itemize}


\subsubsection{\texorpdfstring{Research Associate}{Research Associate}}
\label{sec:research_associate}

\begin{itemize}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=user:sangmoon}{Sangmoon Yoon}
\end{itemize}


\subsubsection{\texorpdfstring{Ph.D. Students}{PhD Students}}
\label{sec:phd_students}

\begin{itemize}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=user:hyung-june}{Hyung-June Lee}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=user:hanjin}{Hanjin Park}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=user:seungjun}{Seungjun Lee}
\end{itemize}


\subsubsection{\texorpdfstring{M.S. Students}{MS Students}}
\label{sec:ms_students}

\begin{itemize}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=user:yewzzang}{Changhyun Yoo}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=user:sunho}{Sunho Park}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=user:hyungral}{Hyung Ryul Kim}
\end{itemize}


\subsubsection{\texorpdfstring{Undergraduate Students}{Undergraduate Students}}
\label{sec:undergraduate_students}

\begin{itemize}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=user:junsu}{Junsu Sohn}
\end{itemize}


\subsubsection{\texorpdfstring{Supporting Staff}{Supporting Staff}}
\label{sec:supporting_staff}

\begin{itemize}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=user:beeyoung}{Bee Young Lee}
\end{itemize}


\subsubsection{\texorpdfstring{Former Members}{Former Members}}
\label{sec:former_members}

\begin{itemize}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=lab:members:former}{Former members}
\end{itemize}


\begin{center}
\line(1,0){250}
\end{center}



\subsection{\texorpdfstring{Links}{Links}}
\label{sec:links}

\begin{itemize}
  \item \href{http://nanophys.khu.ac.kr/doku.php?id=lab:links}{Useful Links}
\end{itemize}


\end{document}
