Kang, Ho Won http://orcid.org/0000-0002-8164-4427
,
Kim, Sung Min http://orcid.org/0000-0002-2374-020X
Kim, Won Tae http://orcid.org/0000-0002-7482-4550
Yun, Seok Joong http://orcid.org/0000-0001-7737-4746
Lee, Sang-Cheol http://orcid.org/0000-0002-4163-2210
Kim, Wun-Jae http://orcid.org/0000-0002-8060-8926
Hwang, Eu Chang http://orcid.org/0000-0002-2031-124X
Kang, Seok Ho http://orcid.org/0000-0002-1524-5233
Hong, Sung-Hoo http://orcid.org/0000-0002-1952-4010
Chung, Jinsoo http://orcid.org/0000-0003-2251-5331
Kwon, Tae Gyun http://orcid.org/0000-0002-4390-0952
Kim, Hyeon Hoe http://orcid.org/0000-0001-6600-4539
Kwak, Cheol http://orcid.org/0000-0002-1987-2111
Byun, Seok-Soo http://orcid.org/0000-0001-9356-9500
Kim, Yong-June http://orcid.org/0000-0001-7638-7174
Funding for this research was provided by:
National Research Foundation of Korea (2018R1D1A1B07043906)
Article History
Received: 16 May 2019
Accepted: 30 September 2019
First Online: 12 October 2019
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: The study was approved by the relevant institutional review boards of the eight participating centers, and informed consent was waived by the board.
: Informed consent was waived by the board.