Behanova, Martina http://orcid.org/0000-0002-5449-0223
Reichardt, Berthold
Stamm, Tanja A. http://orcid.org/0000-0003-3073-7284
Zwerina, Jochen http://orcid.org/0000-0003-0741-1876
Klaushofer, Klaus
Kocijan, Roland http://orcid.org/0000-0002-2618-1546
Article History
Received: 8 April 2019
Accepted: 5 September 2019
First Online: 17 September 2019
Compliance with Ethical Standards
:
: Martina Behanova, Berthold Reichardt, Tanja A Stamm, Jochen Zwerina, Klaus Klaushofer, and Roland Kocijan declare that they have no conflict of interests.
: The research was performed in accordance with the Declaration of Helsinki and was approved by the Ethical Committee of the City of Vienna (Approval number: EK 18-101-VK). Obtaining informed consent from participants was not applicable as this was a retrospective register-based study and all data were pseudonymized.