Hwang, Hye Won
Jung, Hera
Hyeon, Jiyeon
Park, Yeon Hee
Ahn, Jin Seok
Im, Young-Hyuck
Nam, Seok Jin
Kim, Seok Won
Lee, Jeong Eon
Yu, Jong-Han
Lee, Se Kyung
Choi, Misun
Cho, Soo Youn
Cho, Eun Yoon http://orcid.org/0000-0001-5849-3600
Article History
Received: 13 February 2018
Accepted: 15 September 2018
First Online: 15 October 2018
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.
: Informed consent was obtained from all individual participants included in the study.