public static function get_is_mod_of( $user_id, $limit = false, $page = false, $filter = false ) {
		global $wpdb;

		$user_id_sql = $pag_sql = $hidden_sql = $filter_sql = '';

		$user_id_sql = $wpdb->prepare( 'm.user_id = %d', $user_id );

		if ( !empty( $limit ) && !empty( $page ) )
			$pag_sql = $wpdb->prepare( " LIMIT %d, %d", intval( ( $page - 1 ) * $limit), intval( $limit ) );

		if ( !empty( $filter ) ) {
			$search_terms_like = '%' . bp_esc_like( $filter ) . '%';
			$filter_sql = $wpdb->prepare( " AND ( g.name LIKE %s OR g.description LIKE %s )", $search_terms_like, $search_terms_like );
		}

		if ( $user_id != bp_loggedin_user_id() )
			$hidden_sql = " AND g.status != 'hidden'";

		$bp = buddypress();

		$paged_groups = $wpdb->get_results( "SELECT g.*, gm1.meta_value as total_member_count, gm2.meta_value as last_activity FROM {$bp->groups->table_name_groupmeta} gm1, {$bp->groups->table_name_groupmeta} gm2, {$bp->groups->table_name_members} m, {$bp->groups->table_name} g WHERE g.id = m.group_id AND g.id = gm1.group_id AND g.id = gm2.group_id AND gm2.meta_key = 'last_activity' AND gm1.meta_key = 'total_member_count'{$hidden_sql}{$filter_sql} AND {$user_id_sql} AND m.is_confirmed = 1 AND m.is_banned = 0 AND m.is_mod = 1 ORDER BY m.date_modified ASC {$pag_sql}" );
		$total_groups = $wpdb->get_var( "SELECT COUNT(DISTINCT m.group_id) FROM {$bp->groups->table_name_members} m, {$bp->groups->table_name} g WHERE m.group_id = g.id{$hidden_sql}{$filter_sql} AND {$user_id_sql} AND m.is_confirmed = 1 AND m.is_banned = 0 AND m.is_mod = 1 ORDER BY date_modified ASC" );

		return array( 'groups' => $paged_groups, 'total' => $total_groups );
	}