BioMed Central | Log on / register

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html id="nojs" xmlns="http://www.w3.org/1999/xhtml" xmlns:m="http://www.w3.org/1998/Math/MathML" xmlns:og="http://ogp.me/ns#" xml:lang="en-GB" lang="en-GB"> <head><script type="text/javascript" src="/_static/js/bundle-playback.js?v=HxkREWBo" charset="utf-8"></script> <script type="text/javascript" src="/_static/js/wombat.js?v=txqj7nKC" charset="utf-8"></script> <script>window.RufflePlayer=window.RufflePlayer||{};window.RufflePlayer.config={"autoplay":"on","unmuteOverlay":"hidden"};</script> <script type="text/javascript" src="/_static/js/ruffle/ruffle.js"></script> <script type="text/javascript"> __wm.init("https://web.archive.org/web"); __wm.wombat("http://www.biomedcentral.com/logon?url=%2Fsearch","20130429174642","https://web.archive.org/","web","/_static/", "1367257602"); </script> <link rel="stylesheet" type="text/css" href="/_static/css/banner-styles.css?v=S1zqJCYt" /> <link rel="stylesheet" type="text/css" href="/_static/css/iconochive.css?v=3PDvdIFv" />  <script>window.bmcIsMobile = "classic";</script> <title>BioMed Central | Log on / register</title> <link rel="shortcut icon" type="image/x-icon" href="/web/20130429174642im_/http://www.biomedcentral.com/images/icon/9001/favicon.ico"/> <meta http-equiv="X-UA-Compatible" content="IE=7"/> <script type="text/javascript"> // must run before css document.documentElement.id = "js"; </script> <link rel="stylesheet" type="text/css" href="/web/20130429174642cs_/http://www.biomedcentral.com/css/main-0.css" media="screen, print"/> <link rel="stylesheet" type="text/css" href="/web/20130429174642cs_/http://www.biomedcentral.com/css/plugins-0.css" media="screen, print"/> <link rel="stylesheet" type="text/css" href="/web/20130429174642cs_/http://www.biomedcentral.com/css/themes/9001.css?1330445243417" media="screen, print"/> <link rel="stylesheet" type="text/css" href="/web/20130429174642cs_/http://www.biomedcentral.com/css/media/print-0.css" media="print"/>   <script type="text/javascript"> //configuration OAS_url = 'https://web.archive.org/web/20130429174642/http://oas.biomedcentral.com/RealMedia/ads/'; // control of advert's position on page [AMC] OAS_sitepage = "biomedcentral.com/logon"; OAS_listpos = 'Top,Bottom'; OAS_query = ''; OAS_target = '_top'; //end of configuration OAS_version = 10; OAS_rn = '001234567890'; OAS_rns = '1234567890'; OAS_rn = new String (Math.random()); OAS_rns = OAS_rn.substring (2, 11); function OAS_NORMAL(pos) { document.write('<a href="' + OAS_url + 'click_nx.ads/' + OAS_sitepage + '/1' + OAS_rns + '@' + OAS_listpos + '!' + pos + '?' + OAS_query + '" target="' + OAS_target + '">'); document.write('<img src="' + OAS_url + 'adstream_nx.ads/' + OAS_sitepage + '/1' + OAS_rns + '@' + OAS_listpos + '!' + pos + '?' + OAS_query + '" border="0"/></a>'); } function refererTerms(referer) { if(referer.match("q=") != null) { referer = referer.split("q="); referer = referer[1].split("&"); referer = referer[0]; } else { referer = referer; } if(referer.match("%20") != null && referer.match("%20").length >= 1) { referer = referer.replace(/%20/gi,"+"); return referer; } else { return referer; } } </script> <div id="oas-campaign" style="display:none">biomedcentral.com/logon</div> <div id="oas-positions" style="display:none">Bottom,Top</div> <script type="text/javascript"> // Set the version of JavaScript to 10 for a Browser 'Mozilla/3' on webTV OAS_version = 11; if ((navigator.userAgent.indexOf('Mozilla/3') != -1) || (navigator.userAgent.indexOf('Mozilla/4.0 WebTV') != -1)) { OAS_version = 10; } if (OAS_version >= 11) { document.write('<scr' + 'ipt type="text/javascript" src="' + OAS_url + 'adstream_mjx.ads/' + OAS_sitepage + '/1' + OAS_rns + '@' + OAS_listpos + '?' + OAS_query + '"><\/script>'); } </script> <script type="text/javascript"> document.write(''); function OAS_AD(pos) { if (OAS_version >= 11) OAS_RICH(pos); else OAS_NORMAL(pos); } </script> <script type="text/javascript"> jsonLoaders = function(){ var _loaders = []; return { register: function(config){ config.prefix = config.prefix || '/webapi/1.0/blogs/'; config.feedLength = config.feedLength || 3; _loaders.push(config); }, list: function(){return _loaders} }; }(); function totext() { document.write('<a href="javascript:returnToText();">Return to text</a>'); } function retrieve_doi(){ var metas = document.getElementsByTagName('meta'); var i; for (i = 0; i < metas.length; i++) if (metas[i].getAttribute('name') == "citation_doi") break; var citation_doi = metas[i].getAttribute('content'); return citation_doi; } </script> <link title="Latest articles" rel="alternate" href="https://web.archive.org/web/20130429174642/http://www.biomedcentral.com/latest/rss" type="application/rss+xml" exposetoheader="true"/> <link title="Most viewed" rel="alternate" href="https://web.archive.org/web/20130429174642/http://www.biomedcentral.com/mostviewed/rss/" type="application/rss+xml" exposetoheader="true"/> <link title="Latest comments" rel="alternate" href="https://web.archive.org/web/20130429174642/http://www.biomedcentral.com/latestcomments/rss" type="application/rss+xml" exposetoheader="true"/> <script type="text/javascript"> var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-72326-1']); _gaq.push(['_gat._anonymizeIp']); _gaq.push(['_setLocalRemoteServerMode']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://web.archive.org/web/20130429174642/https://ssl' : 'https://web.archive.org/web/20130429174642/http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); </script> </head> <body class=" theme "> <script>window.bmcIsMobile = "classic";</script> <script type="text/javascript"> function createCookie(name,value,days,path) { if (days) { var date = new Date(); date.setTime(date.getTime()+(days*24*60*60*1000)); var expires = "; expires="+date.toGMTString(); } else{ var expires = "";} if (path!=null) { document.cookie = name+"="+value+expires+"; path=/"; } else { document.cookie = name+"="+value+expires+";"; } } function createCookie1(name,value,days) { if (days) { var date = new Date(); date.setTime(date.getTime()+(days*24*60*60*1000)); var expires = "; expires="+date.toGMTString(); } else{ var expires = "";} document.cookie = name+"="+value+expires; } function eraseCookie(name) { // path describes the location of the cookie var path= "/"; createCookie("database_statistics","",-1,path); // null value as a parameter tells that cookie existing in current application context like cookie in http://biomedcentral.com.local/about/tandc createCookie("database_statistics_request_id","",-1,null); hidediv(); } function hidediv() { if (document.getElementById) { document.getElementById('dbstats_main').style.visibility = 'hidden'; } } function getCookieExists(c_name) { var i,x,y,ARRcookies=document.cookie.split(";"); for (i=0;i<ARRcookies.length;i++) { x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("=")); y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1); x=x.replace(/^\s+|\s+$/g,""); if (x==c_name) { return unescape(y); } } } var request_Id; var search_cookie = "database_statistics_request_id" + "=" var more_dbstats_link; //readingDBStatscookie() will be called from JQuery function jQuery(document).ready(function() in behaviour.js which is called on "onload()" event // in order to read the data from the lates cookie function readingDBStatsCookie() { if ( getCookieExists("database_statistics")!=null) { if ( getCookieExists("database_statistics_request_id") != null) { if ( getCookieExists("database_statistics_request_id") != null) { if (document.cookie.length > 0) { // Search for a cookie. offset = document.cookie.indexOf(search_cookie) if (offset != -1) { offset += search_cookie.length // set index of beginning of value end = document.cookie.indexOf(";",offset) if (end == -1) { end = document.cookie.length } request_Id=document.cookie.substring(offset, end); more_dbstats_link = "https://web.archive.org/web/20130429174642/http://www.biomedcentral.com:80/newjournal/dbstats?content_type=html&request_id="+request_Id; createCookie("database_statistics_request_id","",-1); var link = document.createElement('a'); link.setAttribute('href', more_dbstats_link); link.innerHTML="<b>More DBStats</b>"; link.title="More dbstats"; //var text = "<a href=\""+more_dbstats_link+"\" >More DB Stats</a>"; document.getElementById('more_dbstats_link').appendChild(link); } } } } } } if (getCookieExists("database_statistics")!=null) { document.write( "<div id =\"dbstats_main\" style=\"background-color:white\">" ); document.write("<div id =\"dbstats\" style=\"background-color:lightgray;margin-left:300px;margin-right:300px;margin-top:-10px\">"); document.write("<br>"); document.write("<b>DB Stats</b>"); document.write("- consistent gets:"); document.write("<span id = \"consistent_gets\">NA</span> "); document.write(", physical reads:"); document.write("<span id = \"physical_reads\">NA</span>"); document.write(", bytes sent via SQL*Net to client: "); document.write("<span id = \"SQL_NET\">NA</span>"); document.write("&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp"); document.write("<span id=\"more_dbstats_link\">"); document.write("</span> "); document.write("<span id=\"close_dbstats_link\">"); document.write("[<a href='javascript:eraseCookie()' >x</a>]"); document.write("</span> "); document.write("</div>"); document.write("</div> "); } </script> <div id="branding" role="banner"> <dl class="google-ad wide "> <dt class="hide"> <a class="banner-ad" href="https://web.archive.org/web/20130429174642/http://www.biomedcentral.com/advertisers/digital_advertising"></a> </dt> <dd>  <script type="text/javascript"> OAS_AD('Top'); </script>  </dd> </dl> <noscript> <dl class="google-ad wide noscript"> <dt class="hide"></dt> <dd> <a href="https://web.archive.org/web/20130429174642/http://oas.biomedcentral.com/RealMedia/ads/click_nx.ads/biomedcentral.com/logon/18970534627@Top"> <img src="https://web.archive.org/web/20130429174642im_/http://oas.biomedcentral.com/RealMedia/ads/adstream_nx.ads/biomedcentral.com/logon/14748775535@Top" alt="advert"/> </a> </dd> </dl> </noscript> <div class="sup-panel-outer"> <div class="sup-panel-inner"> <ul id="login" class="login"> <li id="loginLink"><a href="/web/20130429174642/http://www.biomedcentral.com/logon">Log on</a></li> </ul> <ul class="nav-sup"> <li class="current" id="BMC"> <a href="https://web.archive.org/web/20130429174642/http://www.biomedcentral.com/"><span>biomed central</span></a> </li> <li id="CC"> <a href="https://web.archive.org/web/20130429174642/http://www.chemistrycentral.com/"><span>chemistry central</span></a> </li> <li id="SPR"> <a href="https://web.archive.org/web/20130429174642/http://www.springeropen.com/"><span>SpringerOpen</span></a> </li> </ul> </div> </div> <div class="branding-inner"> <div class="logo"> <a href="/web/20130429174642/http://www.biomedcentral.com/"><img alt="BioMed Central" title="BioMed Central Logo" src="/web/20130429174642im_/http://www.biomedcentral.com/sites/9001/images/logo.gif"/></a> </div> <div class="module search gray small portalsearch" role="search"> <div class="module-inner padded"> <form method="get" class="searchForm" action="/web/20130429174642/http://www.biomedcentral.com/search/results "> <fieldset class="search"> <input id="searchTerms" name="terms" type="text" alt="Search terms" class="text portal placeholder slept" value="Search BioMed Central"/> <button class="w37" value="Go" type="submit">Go</button> </fieldset> </form> </div> <a class="advanced-search" href="/web/20130429174642/http://www.biomedcentral.com/search">Advanced search</a> </div> <div id="mobile-nav-list"> <ul class="primary-nav" role="navigation"> <li><a href="/web/20130429174642/http://www.biomedcentral.com/"><span id="home-tab">Home</span></a></li> <li><a href="/web/20130429174642/http://www.biomedcentral.com/journals"><span id="journals-tab">Journals</span></a></li> <li><a href="/web/20130429174642/http://www.biomedcentral.com/content"><span id="articles-tab">Articles</span></a></li> <li><a href="/web/20130429174642/http://www.biomedcentral.com/gateways"><span id="gateways-tab">Gateways</span></a></li> <li><a href="/web/20130429174642/http://www.biomedcentral.com/about"><span id="about-tab">About BioMed Central</span></a></li> <li class="current"><a href="/web/20130429174642/http://www.biomedcentral.com/my"><span id="my-tab">My BioMed Central</span></a></li> </ul> </div> </div> </div> <hr class="hide"/> <div class="container"> <div id="content" role="main"> <div class="short-page"> <div class="rounded two-col" id="login-register"> <div class="wrap-inner "> <div id="free-trial"> <div class="msg msg-info"> <div class="msg-info-img"></div><div class="msg-text">To access the page you have requested, please log on / register below.</div> </div> </div> <h1 class="formtitle login-title">Log on / register</h1> <form method="post" action=""> <div class="standardform" id="login-form"> <div class="module gray inner left login-form"> <div class="module-inner padded-inner"> <div class="login-content"> <fieldset class="details" id="log-in"> <label for="email" class="text">Email address</label> <input type="text" id="email" name="email" value="" size="40" class="text" maxlength="1024" tabindex="1"/> <label for="password" class="text">Password</label> <input type="hidden" id="url" name="url" value="/search"/> <input type="password" id="password" name="password" value="" size="40" class="text" maxlength="60" tabindex="2"/> <a href="/web/20130429174642/http://www.biomedcentral.com/sendpassword" id="password-forgotten">Forgotten your password?</a> <input name="rememberMe" id="rememberMe" type="checkbox" tabindex="3" value="true"/> <label for="rememberMe">Remember me</label> <a href="/web/20130429174642/http://www.biomedcentral.com/help/remember" onclick="popup('/help/remember','remember',400,285);return false;" title="Help" class="smalltext"><span class="help-icon">help</span></a> </fieldset> </div> <div class="formbuttons"> <button id="logon_button" value="Log on" type="submit" class="w62" name="">Log on</button> </div> </div> <div class="module-tl"></div> <div class="module-tr"></div> <div class="module-bl"></div> <div class="module-br"></div> </div> <div class="module gray inner right login-form"> <div class="module-inner padded-inner"> <p>Registration is valid for <a href="https://web.archive.org/web/20130429174642/http://www.biomedcentral.com/about/associatedsites">BioMed Central and associated sites</a> and is completely free.</p> <h5>As a registered user you can:</h5> <ul class="list"> <li><i> </i><span>submit manuscripts</span></li> <li><i> </i><span>receive email updates</span></li> <li><i> </i><span>post comments on articles</span></li> </ul> <div class="formbuttons"> <a href="/web/20130429174642/http://www.biomedcentral.com/register" class="w62 buttn">Register</a> </div> </div> <div class="module-tl"></div> <div class="module-tr"></div> <div class="module-bl"></div> <div class="module-br"></div> </div> </div> </form> </div> </div> </div> </div> </div> <dl class="google-ad wide "> <dt class="hide"> <a class="banner-ad" href="https://web.archive.org/web/20130429174642/http://www.biomedcentral.com/advertisers/digital_advertising"></a> </dt> <dd>  <script type="text/javascript"> OAS_AD('Bottom'); </script>  </dd> </dl> <noscript> <dl class="google-ad noscript"> <dt class="hide"><a href="https://web.archive.org/web/20130429174642/http://www.biomedcentral.com/advertisers/digital_advertising">Advertisement</dt> <dd> <a href="https://web.archive.org/web/20130429174642/http://oas.biomedcentral.com/RealMedia/ads/click_nx.ads/biomedcentral.com/logon/12500190057@Bottom"> <img src="https://web.archive.org/web/20130429174642im_/http://oas.biomedcentral.com/RealMedia/ads/adstream_nx.ads/biomedcentral.com/logon/16903756804@Bottom" alt="advert"/> </a> </dd> </dl> </noscript> <hr class="hide"/> <script>window.bmcIsMobile = "classic";</script> <div id="footer"> <div class="content"> <div class="rounded "> <div class="wrap-inner "> <ul class="desktop"> <li class="noborder"><a href="/web/20130429174642/http://www.biomedcentral.com/about/tandc">Terms and Conditions</a></li> <li><a href="/web/20130429174642/http://www.biomedcentral.com/about/cookies">Cookies</a></li> <li><a href="/web/20130429174642/http://www.biomedcentral.com/about/privacy">Privacy statement</a></li> <li><a href="/web/20130429174642/http://www.biomedcentral.com/presscenter">Press</a></li> <li><a href="/web/20130429174642/http://www.biomedcentral.com/advertisers">Information for advertisers</a></li> <li><a href="/web/20130429174642/http://www.biomedcentral.com/about/bmcjobs">Jobs at BMC</a></li> <li><a href="/web/20130429174642/http://www.biomedcentral.com/support">Support</a></li> <li><a href="/web/20130429174642/http://www.biomedcentral.com/about/contact">Contact us</a></li> </ul> <p id="copyright">© 2013 BioMed Central Ltd unless otherwise stated. Part of Springer Science+Business Media.</p> </div> </div> </div> </div> <div class="springer"> <a href="https://web.archive.org/web/20130429174642/http://www.springer.com/" target="blank"><img style="float:right; margin:0;" src="/web/20130429174642im_/http://www.biomedcentral.com/images/Springer_Branding_footer_logo.png"/></a> </div> <script> // getElementsByClassName Polyfill var getElementsByClassName=function(e,t,n){if(document.getElementsByClassName){getElementsByClassName=function(e,t,n){n=n||document;var r=n.getElementsByClassName(e),i=t?new RegExp("\\b"+t+"\\b","i"):null,s=[],o;for(var u=0,a=r.length;u<a;u+=1){o=r[u];if(!i||i.test(o.nodeName)){s.push(o)}}return s}}else if(document.evaluate){getElementsByClassName=function(e,t,n){t=t||"*";n=n||document;var r=e.split(" "),i="",s="http://www.w3.org/1999/xhtml",o=document.documentElement.namespaceURI===s?s:null,u=[],a,f;for(var l=0,c=r.length;l<c;l+=1){i+="[contains(concat(' ', @class, ' '), ' "+r[l]+" ')]"}try{a=document.evaluate(".//"+t+i,n,o,0,null)}catch(h){a=document.evaluate(".//"+t+i,n,null,0,null)}while(f=a.iterateNext()){u.push(f)}return u}}else{getElementsByClassName=function(e,t,n){t=t||"*";n=n||document;var r=e.split(" "),i=[],s=t==="*"&&n.all?n.all:n.getElementsByTagName(t),o,u=[],a;for(var f=0,l=r.length;f<l;f+=1){i.push(new RegExp("(^|\\s)"+r[f]+"(\\s|$)"))}for(var c=0,h=s.length;c<h;c+=1){o=s[c];a=false;for(var p=0,d=i.length;p<d;p+=1){a=i[p].test(o.className);if(!a){break}}if(a){u.push(o)}}return u}}return getElementsByClassName(e,t,n)} </script> <script src="//web.archive.org/web/20130429174642js_/http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script> <script type="text/javascript"> if (typeof jQuery == 'undefined') { document.write(decodeURIComponent("%3Cscript src='/javascript/plugins/jquery.min.js' type='text/javascript'%3E%3C/script%3E")); } document.documentElement.id = "js"; var site = { abbreviation: "", section: "my", page: "login", homePortal: "biomedcentral.com", siteShowAds: "true", showAds: "true", url: "biomedcentral.com", portal: true, adpage_url: "biomedcentral.com/logon", id: "9001", name: "BioMed Central", plugins: { scrollable: (getElementsByClassName("scrollable").length > 0), flowplayer: ((document.getElementById("flowplayer") != null) || (getElementsByClassName("myPlayer").length > 0) || (document.getElementById("videoarticle") != null) || (getElementsByClassName("flowplayer").length > 0) || (document.getElementById("audio") != null) || (document.getElementById("elifeplayer") != null)), lightbox: ((document.getElementById("image-highlight") != null) || (getElementsByClassName("lightbox").length > 0)), thickbox: (getElementsByClassName("thickbox").length > 0), altmetric: ((document.getElementById("altmetric") != null) || (getElementsByClassName("altmetric").length > 0)) } }; if(typeof quoteSearchUri == "undefined") { quoteSearchUri=null; } </script> <script type="text/javascript" src="/web/20130429174642js_/http://www.biomedcentral.com/javascript/journals/behaviours-0.js"></script>   </body> </html>

CINXE.COM

BioMed Central | Log on / register