def folderitem(self, obj, item, index):
        """Service triggered each time an item is iterated in folderitems.
        The use of this service prevents the extra-loops in child objects.
        :obj: the instance of the class to be foldered
        :item: dict containing the properties of the object to be used by
            the template
        :index: current index of the item
        """
        title = obj.Title()
        url = obj.absolute_url()

        item["replace"]["Title"] = get_link(url, value=title)

        sampletype = obj.getSampleType()
        if sampletype:
            title = sampletype.Title()
            url = sampletype.absolute_url()
            item["replace"]["SampleType"] = get_link(url, value=title)

        return item