div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: N a t u r e P u b l i s h i n g G r o u p · sc kar3 cg ch02 dm ncd hs khc eg5 mm kif1b sc kar3 cg ch02 ncd kvm rfrplnesevnrgdky----- qvvvrcrpfnqlerkassh----- kva rvrpfnsretskesk-- src=https:reader034fdocumentsusreader034viewer20220502055f581a3722ee1530b4229637html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1996 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: N a t u r e P u b l i s h i n g G r o u p · sc kar3 cg ch02 dm ncd hs khc eg5 mm kif1b sc kar3 cg ch02 ncd kvm rfrplnesevnrgdky----- qvvvrcrpfnqlerkassh----- kva rvrpfnsretskesk-- src=https:reader034fdocumentsusreader034viewer20220502055f581a3722ee1530b4229637html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divp© 1996 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: N a t u r e P u b l i s h i n g G r o u p · sc kar3 cg ch02 dm ncd hs khc eg5 mm kif1b sc kar3 cg ch02 ncd kvm rfrplnesevnrgdky----- qvvvrcrpfnqlerkassh----- kva rvrpfnsretskesk-- src=https:reader034fdocumentsusreader034viewer20220502055f581a3722ee1530b4229637html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divp© 1996 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: N a t u r e P u b l i s h i n g G r o u p · sc kar3 cg ch02 dm ncd hs khc eg5 mm kif1b sc kar3 cg ch02 ncd kvm rfrplnesevnrgdky----- qvvvrcrpfnqlerkassh----- kva rvrpfnsretskesk-- src=https:reader034fdocumentsusreader034viewer20220502055f581a3722ee1530b4229637html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divp© 1996 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: N a t u r e P u b l i s h i n g G...