Choi, Chong-Hyuk
Lee, Woo-Suk
Jung, Min
Moon, Hyun-Soo
Lee, Young-Han
Oh, Jongtaek
Kim, Sung-Jae
Kim, Sung-Hwan http://orcid.org/0000-0001-5743-6241
Article History
Received: 13 November 2018
Accepted: 23 April 2019
First Online: 22 May 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: This study was ethically approved by the Institutional Review Board (IRB) of Severance Hospital (IRB number: 4-2013-0449).