<?xml version="1.0" encoding="utf-8"?>
<!--
  This file is part of the OCW taxonomy, which is an extension on the Dutch taxonomy (NT, Nederlandse Taxonomie) 
  Intellectual Property of the State of the Netherlands, Ministry of Culture, Education and Science (OCW, Ministerie van Onderwijs, Cultuur en Wetenschap)
  Architecture: NT13 
  Version: 20190220.b
  Released by: Dienst Uitvoering Onderwijs (DUO)
  Release date: Fri Oct 26 09:17:55 CET 2018
-->
<link:linkbase xmlns:gen="http://xbrl.org/2008/generic" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:variable="http://xbrl.org/2008/variable" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xs="http://www.w3.org/2001/XMLSchema" 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   http://www.w3.org/1999/xlink http://www.xbrl.org/2003/xlink-2003-12-31.xsd   http://xbrl.org/2008/generic http://www.xbrl.org/2008/generic-link.xsd   http://xbrl.org/2008/variable http://www.xbrl.org/2008/variable.xsd   ">
	<link:roleRef roleURI="http://www.xbrl.org/2008/role/link" xlink:href="http://www.xbrl.org/2008/generic-link.xsd#standard-link-role" xlink:type="simple"/>
	<gen:link xlink:role="http://www.xbrl.org/2008/role/link" xlink:type="extended">
		<variable:parameter as="xs:date" id="YearPlus5PeriodEndDate" name="YearPlus5PeriodEndDate" select="xs:date('2023-12-31')" xlink:label="YearPlus5PeriodEndDate" xlink:type="resource"/>
		<variable:parameter as="xs:date" id="YearPlus5PeriodStartDate" name="YearPlus5PeriodStartDate" select="xs:date('2023-01-01')" xlink:label="YearPlus5PeriodStartDate" xlink:type="resource"/>
		<variable:parameter as="xs:date" id="YearPlus4PeriodEndDate" name="YearPlus4PeriodEndDate" select="xs:date('2022-12-31')" xlink:label="YearPlus4PeriodEndDate" xlink:type="resource"/>
		<variable:parameter as="xs:date" id="YearPlus4PeriodStartDate" name="YearPlus4PeriodStartDate" select="xs:date('2022-01-01')" xlink:label="YearPlus4PeriodStartDate" xlink:type="resource"/>
		<variable:parameter as="xs:date" id="YearPlus3PeriodEndDate" name="YearPlus3PeriodEndDate" select="xs:date('2021-12-31')" xlink:label="YearPlus3PeriodEndDate" xlink:type="resource"/>
		<variable:parameter as="xs:date" id="YearPlus3PeriodStartDate" name="YearPlus3PeriodStartDate" select="xs:date('2021-01-01')" xlink:label="YearPlus3PeriodStartDate" xlink:type="resource"/>
		<variable:parameter as="xs:date" id="YearPlus2PeriodEndDate" name="YearPlus2PeriodEndDate" select="xs:date('2020-12-31')" xlink:label="YearPlus2PeriodEndDate" xlink:type="resource"/>
		<variable:parameter as="xs:date" id="YearPlus2PeriodStartDate" name="YearPlus2PeriodStartDate" select="xs:date('2020-01-01')" xlink:label="YearPlus2PeriodStartDate" xlink:type="resource"/>
		<variable:parameter as="xs:date" id="YearPlus1PeriodEndDate" name="YearPlus1PeriodEndDate" select="xs:date('2019-12-31')" xlink:label="YearPlus1PeriodEndDate" xlink:type="resource"/>
		<variable:parameter as="xs:date" id="YearPlus1PeriodStartDate" name="YearPlus1PeriodStartDate" select="xs:date('2019-01-01')" xlink:label="YearPlus1PeriodStartDate" xlink:type="resource"/>
		<variable:parameter as="xs:date" id="CurrentPeriodEndDate" name="CurrentPeriodEndDate" select="xs:date('2018-12-31')" xlink:label="CurrentPeriodEndDate" xlink:type="resource"/>
		<variable:parameter as="xs:date" id="CurrentPeriodStartDate" name="CurrentPeriodStartDate" select="xs:date('2018-01-01')" xlink:label="CurrentPeriodStartDate" xlink:type="resource"/>
		<variable:parameter as="xs:date" id="PreviousPeriodEndDate" name="PreviousPeriodEndDate" select="xs:date('2017-12-31')" xlink:label="PreviousPeriodEndDate" xlink:type="resource"/>
		<variable:parameter as="xs:date" id="PreviousPeriodStartDate" name="PreviousPeriodStartDate" select="xs:date('2017-01-01')" xlink:label="PreviousPeriodStartDate" xlink:type="resource"/>
		<variable:parameter as="xs:integer" id="ReportingYear" name="ReportingYear" select="2018" xlink:label="ReportingYear" xlink:type="resource"/>
	</gen:link>
</link:linkbase>