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In my bib library, the author is like "John, W.W.C", but when I make bibliography with bibliographystyle IEEETrans, it comes out like "W. John". Could you help me out? Thank you.

The bib lirary is as follow:

@article{articletocite, 
author={Jo, W.W.C. and Hu, J.}, 
journal={Journal}
title={Title}, 
year={2014},  
}

The tex file is as follow:

\documentclass[11pt, final, journal, letterpaper, doublecolumn]{IEEEtran}
\usepackage{algorithm}
\usepackage{algorithmic}
\usepackage{graphicx}
\usepackage{balance}
\usepackage{caption}
\usepackage{multirow}
\usepackage{array}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{amsthm}
\usepackage{subcaption}
\usepackage{flushend}
\usepackage{placeins}
\title{Title}
\author{Author}
\begin{document}
\maketitle
\bibliographystyle{IEEEtran} 
\bibliography{paper.bib}
\end{document}