Song, Minchul
Jeon, Subin
Kang, Sae-Ryung
Jabin, Zeenat
Yoo, Su Woong
Min, Jung-Joon
Bom, Hee-Seung
Cho, Sang-Geon
Kim, Jahae
Song, Ho-Chun
Kwon, Seong Young
Article History
Received: 22 February 2018
Revised: 16 April 2018
Accepted: 23 May 2018
First Online: 4 June 2018
Compliance with Ethical Standards
:
: Authors Minchul Song, Subin Jeon, Sae-Ryung Kang, Zeenat Jabin, Su Woong Yoo, Jung-Joon Min, Hee-Seung Bom, Sang-Geon Cho, Jahae Kim, Ho-Chun Song, and Seong Young Kwon 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 our institute approved this retrospective study, and the requirement to obtain informed consent was waived.