Article History
Received: 11 June 2020
Accepted: 2 September 2020
First Online: 9 September 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study were in accordance with the ethical standards of the institutional and national research committee (EKNZ 2016-00854) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Due to the retrospective nature of this study, informed consent was not required.