Lechner, M.
Bittner, R.
Borhanian, K.
Mitterwallner, S.
Emmanuel, K.
Mayer, F.
Article History
Received: 11 December 2018
Accepted: 11 March 2019
First Online: 21 March 2019
Compliance with ethical standards
:
: M. Lechner declares no conflict of interest. R. Bittner declares no conflict of interest. S. Mitterwallner declares no conflict of interest. K. Borhanian declares no conflict of interest. K. Emmanuel declares no conflict of interest. F. Mayer declares no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The authors state that the procedures and examinations conducted in this study respect the ethical standards in the Helsinki Declaration of 1975, as revised in 2000, as well as the national law.
: Informed consent for the participation in the study was obtained from all patients. It was documented in the electronic hospital file or taken in evidence on paper.