Gwag, Hye Bin
Jun, Ji Eun
Park, Youngjun
Lee, Seong Soo
Park, Seung-Jung
Kim, June Soo
Park, Kyoung-Min
On, Young Keun https://orcid.org/0000-0003-1025-7283
Article History
Received: 1 August 2019
Accepted: 25 November 2019
First Online: 10 December 2019
Ethics approval and consent to participate
: The Institutional Review Board at Samsung Medical Center approved the study protocol (IRB No. 2017-10-146). Informed consent was waived by the board.
: Not applicable.
: The authors declare that they have no competing interests.