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{"cc_re__cc_re__cc_by_4_0": ["an be opened using a PDF reader. To download the PDF, click the Download link above.</p></div>\n\t</div>\n</div>\n<p>\n\t<a class=\"action\" href=\"#\" id=\"fullscreenShow\">Fullscreen</a>\n\t<a class=\"action\" href=\"#\" id=\"fullscreenHide\">Fullscreen Off</a>\n</p>\n<div style=\"clear: both;\"></div>\t\n\t\t\t\t\t\n         <H4>Article Metrics</H4>\n    Abstract view : 194 times<br>\n        \n\n\n\n\n<div class=\"separator\"></div>\n\n<h3>Refbacks</h3>\n\n<ul>\n\t\t\t\t<li>There are currently no refbacks.</li>\n\t</ul>\n\n\n\t\t\n\n<br /><br />\n<p><a href=\"http://creativecommons.org/licenses/by/4.0/\" rel=\"license\"><img src=\"https://i.creativecommons.org/l/by/4.0/88x31.png\" alt=\"Creative Commons License\" /></a><br /><span>This work is licensed under a\u00a0</span><a href=\"http://creativecommons.org/licenses/by/4.0/\" rel=\"license\">Creative Commons Attribution 4.0 International License</a><span>.</span></p><!-- Start of StatCounter Code for Default Guide --><script type=\"mce-text/javascript\">// <![CDATA[\r\nvar sc_project=11298901; \r\nvar sc_invisible=0; \r\nvar sc_security=\"6c92a03a\"; \r\nvar scJsHost = ((\"https:\" == ", "reenHide\">Fullscreen Off</a>\n</p>\n<div style=\"clear: both;\"></div>\t\n\t\t\t\t\t\n         <H4>Article Metrics</H4>\n    Abstract view : 194 times<br>\n        \n\n\n\n\n<div class=\"separator\"></div>\n\n<h3>Refbacks</h3>\n\n<ul>\n\t\t\t\t<li>There are currently no refbacks.</li>\n\t</ul>\n\n\n\t\t\n\n<br /><br />\n<p><a href=\"http://creativecommons.org/licenses/by/4.0/\" rel=\"license\"><img src=\"https://i.creativecommons.org/l/by/4.0/88x31.png\" alt=\"Creative Commons License\" /></a><br /><span>This work is licensed under a\u00a0</span><a href=\"http://creativecommons.org/licenses/by/4.0/\" rel=\"license\">Creative Commons Attribution 4.0 International License</a><span>.</span></p><!-- Start of StatCounter Code for Default Guide --><script type=\"mce-text/javascript\">// <![CDATA[\r\nvar sc_project=11298901; \r\nvar sc_invisible=0; \r\nvar sc_security=\"6c92a03a\"; \r\nvar scJsHost = ((\"https:\" == document.location.protocol) ?\r\n\"https://secure.\" : \"http://www.\");\r\ndocument.write(\"<sc\"+\"ript type='text/javascript' src='\" +\r\nscJsHost+\r\n\"statcounter.com/counter/counter.js'></\"+\"script>\");\r\n// ]]></script><noscri"], "copyright__copyright__copyright": [" to print, save, and work with PDFs, Highwire Press provides a helpful Frequently Asked Questions about PDFs.\n\nAlternatively, you can download the PDF file directly to your computer, from where it can be opened using a PDF reader. To download the PDF, click the Download link above.\n\nFullscreen Fullscreen Off\n\nArticle Metrics\n\nAbstract view : 194 times\n\nRefbacks\n\n  \u2022 There are currently no refbacks.\n\n\n\nThis work is licensed under a\u00a0Creative Commons Attribution 4.0 International License.\n\nVisitors"]}