Article History
Received: 11 April 2018
Accepted: 21 April 2018
First Online: 17 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest. All authors disclose any financial support or relationships that may pose conflict of interest. This includes any financial arrangements authors have with a company whose product figures prominently in the submitted manuscript or with a company making a competing product. All authors state explicitly that they have no any potential conflicts.
: Human rights are followed in this study.
: The Local Ethics Committee approved this study (No: 894-2015) and exempted it from the informed consent requirement because researchers accessed an anonymized database retrospectively for this analysis.