Kwon, Hyon-Jo http://orcid.org/0000-0003-1077-2461
Article History
Received: 22 August 2018
Accepted: 5 December 2018
First Online: 18 December 2018
Compliance with ethical guidelines
:
: H.-J. Kwon declares that he has no competing interests.
: All procedures reported in this article 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. The institutional review board of Chungnam National University Hospital approved this study and informed consent to publish was obtained from the patient in question. This article does not contain any studies with animals performed by the author.