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<!-- EDGAR Online I-Metrix Xcelerate Risk Return XBRL Linkbase Document, based on XBRL 2.1  http://www.edgar-online.com/ -->
<!-- Created (UTC): 6/4/2012 11:24:37 AM -->
<!-- XBRL File Set ID: 6e8f66fd-1f58-4e44-804d-d87c792b5b49 -->
<!-- App Version: 3.0.0.183, 5.1.2600.196608, 14.0 -->
<!-- Copyright (c) 2005-2012 EDGAR Online, Inc. All Rights Reserved. -->
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