Yoon, Sanghoo
Kim, Young A. http://orcid.org/0000-0002-5295-8566
Funding for this research was provided by:
National Research Foundation of Korea (NRF) grant funded by the Korea governmen (NRF-2017R1C1B5016043)
Article History
Received: 27 February 2019
Accepted: 3 October 2019
First Online: 21 October 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest to disclose.
: All analyses were based on previously published studies, and thus ethical approval is unnecessary.
: This study was based on previously published studies, and thus obtaining informed consent was unnecessary.