Yun, Gee Young
Moon, Hee Seok
Kwon, In Sun
Kim, Ju Seok
Kang, Sun Hyung
Lee, Eaum Seok
Kim, Seok Hyun
Sung, Jae Kyu
Lee, Byung Seok
Jeong, Hyun Yong
Article History
Received: 20 December 2017
Accepted: 30 January 2018
First Online: 8 February 2018
Compliance with ethical standards
:
: The authors have no conflicts of interest regarding the current paper.
: The study was reviewed and approved by the Chungnam National University Hospital Institutional Review Board (IRB file No. CNUH 2017-11-017).
: This study is a retrospective study using medical records, and personal information protection measures are appropriately established so that the informed consent of the subject can be exempted.