public function getBrand($idSite, $period, $date, $segment = false)
    {
        $dataTable = $this->getDataTable('DevicesDetection_brands', $idSite, $period, $date, $segment);
        $dataTable->filter('GroupBy', array('label', __NAMESPACE__ . '\getDeviceBrandLabel'));
        $dataTable->filter('ColumnCallbackAddMetadata', array('label', 'logo', __NAMESPACE__ . '\getBrandLogo'));
        $dataTable->filter('AddSegmentByLabel', array('deviceBrand'));
        return $dataTable;
    }