Seo, Seung-Suk
Kim, Chang-Wan
Lee, Chang-Rack http://orcid.org/0000-0002-1745-0273
Kwon, Yong-Uk
Oh, Minkyung
Kim, Ok-Gul
Kim, Chang-Kyu
Article History
Received: 27 March 2019
First Online: 28 August 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interests.
: For this type of study formal consent is not required.
: This article does not contain any studies with human participants or animals performed by any of the authors. This study was approved by the Institutional Review Board in our institution (Inje University Busan Paik Hospital, IRB No. 18-0059).