Kim, Bong Jik
Kim, Jung Ho
Park, Moo Kyun
Lee, Jun Ho
Oh, Seung-ha
Suh, Myung-Whan
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2017R1C1B3005431)
Article History
Received: 7 December 2017
Accepted: 23 February 2018
First Online: 5 March 2018
Compliance with ethical standards
:
: The authors have no conflicts of interest to declare.
: All procedures performed in 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. Approval of the Institutional Review Board at the hospital was obtained for this retrospective study (SNUH 2016-3449).