\providetranslation{attachments}{The following documents are part of this thesis and are included in the digital version.}
\providetranslation{oath}{I hereby declare in lieu of oath that I have prepared this work without the help of third parties and without the use of any aids other than those specified; Thoughts taken directly or indirectly from external sources are marked as such. The thesis has not been submitted in the same or a similar form to any other examination authority and has not yet been published.}
