Article History
Received: 29 August 2018
Accepted: 25 October 2018
First Online: 1 November 2018
Compliance with ethical standards
:
: 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. This study was approved by the Institutional Review Board of the hospital, and informed consent was obtained from the study participants.
: The authors declare that they have no conflicts of interest.