Sahin, Mustafa http://orcid.org/0000-0002-9009-6389
Gode, Sercan
Dogan, Murat
Kirazli, Tayfun
Ogut, Fatih
Article History
Received: 27 October 2017
Accepted: 28 March 2018
First Online: 6 April 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: For this type of retrospective study, formal consent is not required.
: 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.