n Weeks -->
            <div class="form-group">
                <label for="ageThresholdWeeksPrune"><b>How many weeks of data should be kept?:</b></label>
                <input type="number" class="form-control" id="ageThresholdWeeksPrune"
                    ng-model="pruneOnDemandConfig.ageThresholdWeeks" min="0">
                <span ng-show="submitPruningOnDemandAttempted && !isValidPruneOnDemandAgeThresholdWeeks()"
                    class="help-block">Please enter a valid age in weeks.</span>
    