Park, In
Kang, Jun-Seok
Jo, Yoon-Geol
Kim, Sang-Woo
Shin, Sang-Jin http://orcid.org/0000-0002-0812-4628
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2016R1D1A1A09919541)
Article History
Received: 22 November 2018
Accepted: 22 February 2019
First Online: 26 February 2019
Compliance with ethical standards
:
: Sang-Jin Shin has received research grants from the National Research Foundation of Korea (NRF) grant funded by the Korea government. In Park, Jun-Seok Kang, Yoon-Geol Jo, and Sang-Woo Kim 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. The Institutional Review Board of Ewha Womans University approved this study (IRB no: EUMC 2018-05-005).