Kim, Hyung Suk
Jeong, Chang Wook
Kwak, Cheol
Kim, Hyeon Hoe
Ku, Ja Hyeon
Funding for this research was provided by:
National Research Foundation of Korea (2018R1C1B5086339)
Article History
Received: 19 July 2018
Accepted: 26 November 2018
First Online: 10 December 2018
Compliance with ethical standards
:
: There is no any conflict of interest to disclose among all authors.
: Prior to the initiation of the study, the use of patients’ data in this study was approved from institutional review board (IRB) of Seoul National University Hospital (IRB number: H-1506-063-679).
: Owing to the retrospective feature of this study, the requirement for obtaining written informed consent from each patient was waived by the IRB of Seoul National University Hospital.