Park, Hyung Kyu
Yu, Dan Bi
Sung, Minjung
Oh, Ensel
Kim, Mingi
Song, Ji-Young
Lee, Mi-Sook
Jung, Kyungsoo
Noh, Ka-Won
An, Sungbin
Song, Kyoung
Nam, Do-Hyun
Kim, Yu Jin
Choi, Yoon-La
Funding for this research was provided by:
National Research Foundation of Korea (2013R1A1A2011536, 2016R1A2B2012975, 2016R1A5A2945889)
Article History
Received: 6 February 2019
Revised: 28 May 2019
Accepted: 18 June 2019
First Online: 18 July 2019
Compliance with ethical standards
: This study was approved by the Institutional Review Board of Samsung Medical Center in Seoul, Korea (IRB file No. 2015–06-114).
: The authors declare that they have no conflict of interest.