von der Brelie, Christian http://orcid.org/0000-0003-4912-2917
Schatlo, Bawarjan
Bettag, Chistoph
Rohde, Veit
Article History
Received: 15 September 2019
Revised: 22 December 2019
Accepted: 20 January 2020
First Online: 14 February 2020
Compliance with ethical standards
:
: This study was not funded. The authors declare that they have no conflict of interest. This study was approved by the institutional review board, ethical approval was obtained. Informed consent was not achieved since this was a retrospective observational study.