Park, Young Hwan
Kim, Tae Jin
Choi, Gi Won
Kim, Hak Jun
Article History
Received: 1 April 2018
Accepted: 21 September 2018
First Online: 28 September 2018
Compliance with ethical standards
:
: No benefits in any form have been received or will be received from a commercial party related directly or indirectly to the contents of this study.
: Ethical approval for the present study was obtained from the Institutional Review Board of Korea University Guro Hospital (Study No. KUGH17271).