<?xml version="1.0"?>
<coauthors author="Seong-cheol Heo" urlpt="h/Heo:Seong=cheol">
<author urlpt="k/Kim:Jae=kyoon" count="2">Jae-kyoon Kim</author>
<author urlpt="r/Roh:Kyu=Chan" count="1">Kyu-Chan Roh</author>
<author urlpt="s/Seo:Kwang=deok" count="2">Kwang-deok Seo</author>
</coauthors>

