Song, Jun-Seob
Hong, Ki-Taek
Kim, Na-Min
Park, Han-Soo
Choi, Nam-Hong
Article History
Received: 7 July 2019
First Online: 24 January 2020
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: This study was reviewed and approved by the institutional review board of the Korea Ministry of Health and Welfare.
: All patients signed an informed consent form.