I hereby confer to UL the non-exclusive rights to publish this document on the university document and publication server, online and without temporal limit; to forward it to third parties for reasons of publication and preservation (e.g. Open Archives Initiative, Deutsche Nationalbibliothek); and to convert it into different file formats to ensure accessibility when and if necessary. I retain the copyright and the unlimited right to publish and use the document elsewhere. I confirm that the document’s provision does not infringe the rights (particularly any valid copyrights) of third parties (e.g. other copyright holders, publishers, third-party funding).