Song, Sang Jun
Kang, Se Gu
Lee, Yeon Je
Kim, Kang Il
Park, Cheol Hee http://orcid.org/0000-0001-8297-6872
Article History
Received: 25 May 2018
Accepted: 29 November 2018
First Online: 3 December 2018
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: All procecures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and national reareach 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 our hospital.
: A informed consent form was signed by each patient.