<?xml version="1.0" encoding="US-ASCII"?>
<link:linkbase
xmlns:link="http://www.xbrl.org/2003/linkbase"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<link:roleRef roleURI="http://xbrl.sec.gov/dei/role/deprecated/dei" xlink:href="dei-2018-01-31.xsd#dep-dei" xlink:type="simple" />
<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/dei/role/deprecated/dei">
<link:loc xlink:href="dei-2018-01-31.xsd#dei_DeprecatedItemsForDEI" xlink:label="loc_DeprecatedItemsForDEI" xlink:type="locator" />
</link:presentationLink>
</link:linkbase>