Na, Ji-Hoon
Kim, Sohyun
Eun, Lucy Youngmin
Article History
Received: 24 May 2018
Accepted: 6 September 2018
First Online: 14 September 2018
Compliance with Ethical Standards
:
: No potential conflict of interest relevant to this article was reported.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the by the institutional review board of Yonsei University College of Medicine 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.