<Journal class="Journal" value="PLoS ONE" /> <Page class="#txt" value="e61325"> <Page-2 class="#txt" value="" /> </Page> <Volume class="#txt" value="8" /> <Year class="Year" value="2013" /> </Reference> <Author class="Author" value="Johnston JM" /> <Author class="Author" value="Jiang M" /> <Author class="Author" value="Guo Z" /> <Author class="Author" value="Baker EN" /> <Medline class="Medline" value="23637813" /> <Abstract class="LongText" value="Johnston_2013_Plos.One_8_e61325" /> <Structure class="Structure" value="4GEC" /> <Structure class="Structure" value="4GEG" /> <Structure class="Structure" value="4GDM" /> <News class="News" value="MAY-21-2013" /> </Paper>