Koh, Yong-Gon
Nam, Ji-Hoon
Chung, Hyun-Seok
Lee, Hwa-Yong
Kim, Ho-Joong
Kim, Hyo-Jeoung
Kang, Kyoung-Tak http://orcid.org/0000-0002-1036-193X
Article History
Received: 1 November 2018
Accepted: 15 February 2019
First Online: 16 March 2019
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: Approval was obtained from the Yonsei Sarang Hospital Institutional Review Board (18-DR-03).