Choi, Ye Ra
Kim, Ji-hoon http://orcid.org/0000-0002-6349-6950
Min, Hye Sook
Won, Jae-Kyung
Kim, Hyun Jik
Yoo, Roh-Eul
Kang, Koung Mi
Park, Sun-Won
Yun, Tae Jin
Choi, Seung Hong
Sohn, Chul-Ho
Rhim, Jung Hyo
Kim, Soo Chin
Ryu, Jae Wook
Na, Dong Gyu
Article History
Received: 23 January 2018
Accepted: 4 May 2018
First Online: 17 May 2018
Compliance with ethical standards
:
: No funding was received for this study.
: The authors declare that they have no conflict of interest.
: All procedures performed in the 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 formal consent is not required.
: For this type of retrospective study formal consent is not required.