static function fetchList( $productCollectionItemID, $asObject = true )
    {
        return eZPersistentObject::fetchObjectList( eZProductCollectionItemOption::definition(),
                                                    null, array( "item_id" => $productCollectionItemID ),
                                                    array( "id" => "ASC"  ),
                                                    null,
                                                    $asObject );
    }