Modified Nature citation style IV

<?xml version="1.0" encoding="utf-8"?>
<style xmlns="http://purl.org/net/xbiblio/csl" class="in-text" version="1.0" demote-non-dropping-particle="sort-only" default-locale="en-GB">
  <info>
    <title>Nature</title>
    <id>http://www.zotero.org/styles/nature</id>
    <link href="http://www.zotero.org/styles/nature" rel="self"/>
    <link href="http://www.nature.com/nature/authors/gta/index.html#a5.4" rel="documentation"/>
    <author>
      <name>Michael Berkowitz</name>
      <email>[email protected]</email>
    </author>
    <category citation-format="numeric"/>
    <category field="science"/>
    <category field="generic-base"/>
    <issn>0028-0836</issn>
    <eissn>1476-4687</eissn>
    <updated>2013-03-30T19:30:37+00:00</updated>
    <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
  </info>
  <locale xml:lang="en">
    <terms>
      <term name="editor" form="short">
        <single>ed.</single>
        <multiple>eds</multiple>
      </term>
    </terms>
  </locale>
  <macro name="title">
    <choose>
      <if type="bill book graphic legal_case legislation motion_picture report song" match="any">
        <text variable="title" font-style="bold"/>
      </if>
      <else-if type="chapter" match="any"/>
      <else>
        <text variable="title"/>
      </else>
    </choose>
  </macro>
  <macro name="author">
    <names variable="author">
      <name sort-separator=" " delimiter=", " and="symbol" initialize-with="" delimiter-precedes-last="never" name-as-sort-order="all"/>
      <label form="short" prefix=", "/>
      <et-al font-style="italic"/>
    </names>
  </macro>
  <macro name="access">
    <choose>
      <if variable="volume"/>
      <else-if variable="DOI">
        <text variable="DOI" prefix="doi:"/>
      </else-if>
      <else-if variable="URL">
        <text term="at"/>
        <text variable="URL" prefix=" &lt;" suffix="&gt;"/>
      </else-if>
    </choose>
  </macro>
  <macro name="issuance">
    <choose>
      <if type="bill book graphic legal_case legislation motion_picture report song chapter paper-conference" match="any">
        <group delimiter=", " prefix="(" suffix=").">
          <text variable="publisher" form="long"/>
          <date variable="issued">
            <date-part name="year"/>
          </date>
        </group>
      </if>
      <else>
        <date prefix="(" suffix=")." variable="issued">
          <date-part name="year"/>
        </date>
      </else>
    </choose>
  </macro>
  <macro name="editor">
    <choose>
      <if type="chapter paper-conference" match="any">
        <names variable="editor" prefix="(" suffix=")">
          <name and="symbol" delimiter-precedes-last="never" initialize-with=". " name-as-sort-order="all"/>
        </names>
      </if>
    </choose>
  </macro>
  <citation collapse="citation-number">
    <sort>
      <key variable="citation-number"/>
    </sort>
    <layout vertical-align="sup" delimiter=",">
      <text variable="citation-number"/>
    </layout>
  </citation>
  <bibliography et-al-min="6" et-al-use-first="1" second-field-align="flush" entry-spacing="0">
    <layout>
      <text variable="citation-number" suffix="."/>
      <group delimiter=" ">
        <text macro="author" suffix=":"/>
        <text macro="title" suffix="."/>
        <choose>
          <if type="chapter paper-conference" match="any">
            <text term="in" form="long" plural="false"/>
          </if>
        </choose>
        <text variable="container-title" font-style="" form="short"/>
        <text macro="editor"/>
        <group font-weight="">
          <text variable="volume" suffix=","/>
        </group>
        <text variable="page"/>
        <text macro="issuance"/>
        <text macro="access"/>
      </group>
    </layout>
  </bibliography>
</style>