Form variables inside Bootstrap accordion broken

Heres a stripped down form. Fields outside the accordian group are fine, those inside fail silently…

<form class="form-horizontal" role="form" name="startForm">
    <div class="form-group">
        <label class="col-md-4 control-label">Page0</label>

        <div class="col-md-4">
            <input id="page0" cam-variable-name="PAGE0" cam-variable-type="String" type="text" class="form-control"/>
        </div>
    </div>

    <accordion close-others="true">
        <accordion-group heading="Page 1" is-open="Review_Form_Status.isFirstOpen"
                         is-disabled="Review_Form_Status.isFirstDisabled">

            <div class="form-group">
                <label class="col-md-4 control-label">Page1</label>

                <div class="col-md-4">
                    <input id="page1" cam-variable-name="PAGE1" cam-variable-type="String" type="text"
                           class="form-control"/>
                </div>
            </div>

        </accordion-group>
        <accordion-group heading="Page 2">
            <div class="form-group">
                <label class="col-md-4 control-label">Page2</label>

                <div class="col-md-4">
                    <input id="page2" cam-variable-name="PAGE2" cam-variable-type="String" type="text"
                           class="form-control"/>
                </div>
            </div>
        </accordion-group>
    </accordion>

    <script cam-script type="text/form-script">
        // custom JavaScript goes here

        camForm.on('form-loaded', function () {

            //
            // status attribute for form accordian
            //
            $scope.Review_Form_Status = {
                isFirstOpen: true,
                isFirstDisabled: false
            };
        });



    </script>
</form>`