if ($data = $this->users($platforms)) {
                $html .= '<br>'.$bp->row('sm', array(
                    $bp->col('6 vcenter', '<div class="canvas-container"><canvas id="platformsChart" height="250"></canvas></div>'),
                    $bp->col('5 vcenter', '<p class="lead">Platforms</p><div id="platformsChartLegend"></div>'),
                )).'<br>';