Kim, Yoonjung
Kang, Sook Jung http://orcid.org/0000-0002-1668-0392
Article History
Received: 6 May 2019
Accepted: 6 September 2019
First Online: 5 October 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was not necessary as no human subjects were involved in the study.