Hwang, Ji-won
Cha, Min Jae
Kim, Sung Mok https://orcid.org/0000-0001-5190-2328
Kim, Yiseul
Choe, Yeon Hyeon
Article History
Received: 22 March 2018
Accepted: 13 July 2018
First Online: 17 July 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The institutional review board approved this retrospective study, and patient consent for using clinical data was waived.