Ondruschka, Benjamin
Baier, Christina
Bayer, Ronny
Hammer, Niels
Dreßler, Jan
Bernhard, Michael
Article History
Accepted: 9 August 2018
First Online: 10 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the ethics committee of the Medical Faculty of the University of Leipzig, Germany (code: 104/17-ek).
: Informed consent was waived due to the retrospective nature of the study.