Choi, Seo Hee
Chang, Jee Suk
Yoon, Hong In
Jang, Dong-Su
Kim, Nam Kyu
Lim, Joon Seok
Min, Byung So
Huh, Hyuk
Shin, Sang Joon
Ahn, Joong Bae
Koom, Woong Sub http://orcid.org/0000-0002-9435-7750
Funding for this research was provided by:
National Research Foundation of Korea (NRF) grant, funded by the Korean government (NRF-2015R1D1A1A01060710)
Article History
Received: 13 January 2018
Accepted: 7 March 2018
First Online: 15 March 2018
Compliance with ethical standards
:
: The authors have stated that they have no conflicts 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.
: For this type of study, informed consent is not required.