Nejabat, Marzieh
Leisser, Asha
Karanikas, Georgios
Wadsak, Wolfgang
Mitterhauser, Markus
Mayerhöfer, Marius
Kienbacher, Christian
Trauner, Michael
Hacker, Marcus
Haug, Alexander R. http://orcid.org/0000-0002-8308-6174
Article History
First Online: 11 April 2018
Compliance with ethical standards
:
: The institutional review board of the Medical University of Vienna has approved the study. The study is in accordance with the declaration of Helsinki. Due to the retrospective study design the ethical committee waived the requirement for informed consent. No financial support was received for this study.
: The authors declare that they have no conflict of interest.