public function col_fullname($attempt) {
        $html = parent::col_fullname($attempt);
        if ($this->is_downloading() || empty($attempt->attempt)) {
            return $html;
        }

        return $html . html_writer::empty_tag('br') . html_writer::link(
                new moodle_url('/mod/quiz/review.php', array('attempt' => $attempt->attempt)),
                get_string('reviewattempt', 'quiz'), array('class' => 'reviewlink'));
    }