<?xml version="1.0" encoding="utf-8"?>
<!--
Taxonomy Presentation Links linkbase based on XBRL standard Version 2.1.
Created by UBmatrix Taxonomy Designer 3.0.2681.0 (2007-02-06 18:45).  
Contact www.ubmatrix.com
Copyright (c) 2002-2007 UBmatrix inc., All Rights Reserved
Produced on 2007-03-02 18:51:31
-->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation=" http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <presentationLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link" xlink:title="Presentation, All">
    <loc xlink:type="locator" xlink:href="MasterDetail.xsd#ci_ScheduleOfRelatedPartiesAndRelatedPartyTransactionsTextBlock" xlink:label="ci_ScheduleOfRelatedPartiesAndRelatedPartyTransactionsTextBlock" />
    <loc xlink:type="locator" xlink:href="MasterDetail.xsd#ci_RelatedParty" xlink:label="ci_RelatedParty" />
    <loc xlink:type="locator" xlink:href="MasterDetail.xsd#ci_RelatedPartyName" xlink:label="ci_RelatedPartyName" />
    <loc xlink:type="locator" xlink:href="MasterDetail.xsd#ci_RelatedPartyNatureOfRelationship" xlink:label="ci_RelatedPartyNatureOfRelationship" />
    <loc xlink:type="locator" xlink:href="MasterDetail.xsd#ci_RelatedPartyTypeOfRelationship" xlink:label="ci_RelatedPartyTypeOfRelationship" />
    <loc xlink:type="locator" xlink:href="MasterDetail.xsd#ci_RelatedParty-ScheduleOfTransactionsWithRelatedPartyTextBlock" xlink:label="ci_RelatedParty-ScheduleOfTransactionsWithRelatedPartyTextBlock" />
    <loc xlink:type="locator" xlink:href="MasterDetail.xsd#ci_RelatedPartyTransactionWithRelatedParty" xlink:label="ci_RelatedPartyTransactionWithRelatedParty" />
    <loc xlink:type="locator" xlink:href="MasterDetail.xsd#ci_RelatedPartyTransactionDescription" xlink:label="ci_RelatedPartyTransactionDescription" />
    <loc xlink:type="locator" xlink:href="MasterDetail.xsd#ci_RelatedPartyTransactionType" xlink:label="ci_RelatedPartyTransactionType" />
    <loc xlink:type="locator" xlink:href="MasterDetail.xsd#ci_RelatedPartyTransactionPricingPolicy" xlink:label="ci_RelatedPartyTransactionPricingPolicy" />
    <loc xlink:type="locator" xlink:href="MasterDetail.xsd#ci_RelatedPartyTransactionAmount" xlink:label="ci_RelatedPartyTransactionAmount" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ci_ScheduleOfRelatedPartiesAndRelatedPartyTransactionsTextBlock" xlink:to="ci_RelatedParty" order="1" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ci_RelatedParty" xlink:to="ci_RelatedPartyName" order="1" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ci_RelatedParty" xlink:to="ci_RelatedPartyNatureOfRelationship" order="2" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ci_RelatedParty" xlink:to="ci_RelatedPartyTypeOfRelationship" order="3" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ci_RelatedParty" xlink:to="ci_RelatedParty-ScheduleOfTransactionsWithRelatedPartyTextBlock" order="4" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ci_RelatedParty-ScheduleOfTransactionsWithRelatedPartyTextBlock" xlink:to="ci_RelatedPartyTransactionWithRelatedParty" order="1" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ci_RelatedPartyTransactionWithRelatedParty" xlink:to="ci_RelatedPartyTransactionDescription" order="1" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ci_RelatedPartyTransactionWithRelatedParty" xlink:to="ci_RelatedPartyTransactionType" order="2" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ci_RelatedPartyTransactionWithRelatedParty" xlink:to="ci_RelatedPartyTransactionPricingPolicy" order="3" use="optional" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ci_RelatedPartyTransactionWithRelatedParty" xlink:to="ci_RelatedPartyTransactionAmount" order="4" use="optional" />
  </presentationLink>
</linkbase>
