Cha, Min Jae
Lee, Jeong Hyun
Jung, Hye Na
Kim, Yiseul
Choe, Yeon Hyeon
Kim, Sung Mok http://orcid.org/0000-0001-5190-2328
Article History
Received: 31 March 2019
Accepted: 26 June 2019
First Online: 3 July 2019
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: The institutional review board of our institution approved the study, and informed consent was waived.
: The ethical standards of the responsible committee on human experimentation (institutional and national) and Declaration of Helsinki of 1964 (revised in 2008) were followed.