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  <front>
    <journal-meta>
      <journal-id journal-id-type="publisher-id">97</journal-id>
      <journal-id journal-id-type="index">urn:lsid:arphahub.com:pub:B5033382-9D21-53CE-B630-B4E3A1146D51</journal-id>
      <journal-title-group>
        <journal-title xml:lang="en">Bulgarian Cardiology</journal-title>
        <abbrev-journal-title xml:lang="en">Bulgarian Cardiology</abbrev-journal-title>
      </journal-title-group>
      <issn pub-type="ppub">1310-7488</issn>
      <issn pub-type="epub">2683-1015</issn>
      <publisher>
        <publisher-name>Bulgarian Society of Cardiology</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">10.3897/bgcardio.27.e71702</article-id>
      <article-id pub-id-type="publisher-id">71702</article-id>
      <article-categories>
        <subj-group subj-group-type="heading">
          <subject>Editorial</subject>
        </subj-group>
        <subj-group subj-group-type="scientific_subject">
          <subject>Heart Failure (сърдечна недостатъчност)</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title>Editorial</article-title>
      </title-group>
      <contrib-group content-type="authors">
        <contrib contrib-type="author" corresp="yes">
          <name name-style="western">
            <surname>Tokmakova</surname>
            <given-names>Mariya</given-names>
          </name>
          <email xlink:type="simple">m14021971@yahoo.co.uk</email>
          <uri content-type="orcid">https://orcid.org/0000-0002-8144-6965</uri>
          <xref ref-type="aff" rid="A1">1</xref>
          <xref ref-type="aff" rid="A2">2</xref>
        </contrib>
      </contrib-group>
      <aff id="A1">
        <label>1</label>
        <addr-line content-type="verbatim">Medical University Plovdiv, Plovdiv, Bulgaria</addr-line>
        <institution>Medical University Plovdiv</institution>
        <addr-line content-type="city">Plovdiv</addr-line>
        <country>Bulgaria</country>
      </aff>
      <aff id="A2">
        <label>2</label>
        <addr-line content-type="verbatim">UMHAT Sveti Georgi, Plovdiv, Bulgaria</addr-line>
        <institution>UMHAT Sveti Georgi</institution>
        <addr-line content-type="city">Plovdiv</addr-line>
        <country>Bulgaria</country>
      </aff>
      <author-notes>
        <fn fn-type="corresp">
          <p>Corresponding author: Mariya Tokmakova (<email xlink:type="simple">m14021971@yahoo.co.uk</email>).</p>
        </fn>
        <fn fn-type="edited-by">
          <p>Academic editor: Nina Gotcheva</p>
        </fn>
      </author-notes>
      <pub-date pub-type="collection">
        <year>2021</year>
      </pub-date>
      <pub-date pub-type="epub">
        <day>21</day>
        <month>07</month>
        <year>2021</year>
      </pub-date>
      <volume>27</volume>
      <issue>2</issue>
      <fpage>5</fpage>
      <lpage>5</lpage>
      <uri content-type="arpha" xlink:href="http://openbiodiv.net/2F5D4838-2D4C-550E-84BB-AEAA2B3ABC55">2F5D4838-2D4C-550E-84BB-AEAA2B3ABC55</uri>
      <history>
        <date date-type="received">
          <day>16</day>
          <month>07</month>
          <year>2021</year>
        </date>
        <date date-type="accepted">
          <day>16</day>
          <month>07</month>
          <year>2021</year>
        </date>
      </history>
      <permissions>
        <copyright-statement>Mariya Tokmakova</copyright-statement>
        <license license-type="creative-commons-attribution" xlink:href="http://creativecommons.org/licenses/by/4.0/" xlink:type="simple">
          <license-p>This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.</license-p>
        </license>
      </permissions>
      <abstract>
        <label>Abstract</label>
        <p>Comment on the issue</p>
      </abstract>
    </article-meta>
  </front>
</article>
