Kim, Il-Hyun
An, Young-Sil
Lee, Su Jin
Hong, Jeong
Yoon, Joon-Kee http://orcid.org/0000-0001-9934-0125
Article History
Received: 16 October 2020
Revised: 15 January 2021
Accepted: 18 January 2021
First Online: 17 February 2021
Compliance with ethical standards
:
: Il-Hyun Kim, Young-Sil An, Su Jin Lee, Jeong Hong, and Joon-Kee Yoon 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 research committee and with the 1964 Helsinki declaration and its later amendments.
: The institutional review board of our institute approved this study, and the requirement to obtain informed consent was waived.