Yim, Sung Kyun
Yhim, Ho-Young
Han, Yeon-Hee
Jeon, So-Yeon
Lee, Na-Ri
Song, Eun-Kee
Jeong, Hwan-Jeong
Kim, Hee Sun
Kwak, Jae-Yong
Article History
Received: 12 June 2019
Accepted: 28 October 2019
First Online: 11 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study involving human participants have been approved by the institutional review board (IRB) of Chonbuk National University Hospital and have been performed in accordance with the ethical standards of the IRB and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: The IRB granted a waiver of written informed consent because this study was a retrospective analysis involving no more than minimal risk for the subjects.