Song, Sang Hun
Ye, Chang Hee
Lee, Sangchul
Hong, Sung Kyu
Byun, Seok-Soo
Lee, Sang Eun
Oh, Jong Jin http://orcid.org/0000-0003-0448-5992
Article History
Received: 9 July 2019
Accepted: 4 September 2019
First Online: 9 September 2019
Compliance with ethical standards
:
: The authors declare no conflict of interest related to this manuscript.
: 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. Institutional review board approval was obtained (no. SNUBH-B-1907-552-110).
: Informed consent was obtained from all individual participants included in the study.