<?xml version="1.0"?>
<coauthors author="Gary K. L. Cheung" urlpt="c/Cheung:Gary_K=_L=">
<author urlpt="l/Lau:Rynson_W=_H=" count="2">Rynson W. H. Lau</author>
<author urlpt="l/Li:Frederick_W=_B=" count="2">Frederick W. B. Li</author>
</coauthors>

