Choi, Y. Joon http://orcid.org/0000-0002-5602-9107
Lee, Hee Yun
An, Soonok
Yoon, Young Ji
Oh, Jennifer
Article History
Received: 14 March 2019
Revised: 2 August 2019
Accepted: 4 August 2019
First Online: 13 August 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 institutional 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.