Beer, Lucian
Toepker, Michael
Ba-Ssalamah, Ahmed
Schestak, Christian
Dutschke, Anja
Schindl, Martin
Wressnegger, Alexander
Ringl, Helmut
Apfaltrer, Paul
Funding for this research was provided by:
Oesterreichische Nationalbank (16886)
Theodor Koerner Fond Austria
Article History
Received: 2 October 2018
Revised: 15 January 2019
Accepted: 15 February 2019
First Online: 19 March 2019
Compliance with ethical standards
:
: The scientific guarantor of this publication is Dr. Paul Apfaltrer.
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: No complex statistical methods were necessary for this paper.
: Written informed consent was not required for this study because of its retrospective nature.
: Institutional Review Board approval was obtained.
: • retrospective• observational• performed at one institution