Bostel, Tilman
Mattke, Matthias
Nicolay, Nils Henrik
Welzel, Thomas
Wollschläger, Daniel
Akbaba, Sati
Mayer, Arnulf
Sprave, Tanja
Debus, Jürgen
Uhl, Matthias
Article History
Received: 2 May 2020
Accepted: 19 August 2020
First Online: 24 August 2020
Change Date: 8 December 2020
Change Type: Update
Change Details: Open Access Funding note was added to backmatter text of the article. This article has been updated to correct this.
Ethics approval and consent to participate
: The Heidelberg Ethics Committee approved this study on 7th August 2012 (S-165/2012). Due to the retrospective design, informed consent was not required.
: Not applicable.
: The authors declare that they have no competing interests.