div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Volume 262 Volume 262 July 2021 ISSN 0176-1617 2021 src=https:reader030fdocumentsusreader030viewer202202062261ed9d2b9942b70ee558331dhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Volume 262 Volume 262 July 2021 ISSN 0176-1617 2021 src=https:reader030fdocumentsusreader030viewer202202062261ed9d2b9942b70ee558331dhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv