Kim, Jeong Eun
Chae, Sun Young
Kim, Jwa Hoon
Kim, Hwa Jung
Kim, Tae Won
Kim, Kyu-pyo
Kim, Sun Young
Lee, Jae-Lyun
Oh, Seung Jun
Kim, Jae Seung
Ryu, Jin-Sook
Moon, Dae Hyuk
Hong, Yong Sang
Article History
Received: 1 December 2018
Accepted: 2 April 2019
First Online: 30 April 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Asan Medical Center and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.