Nam, Ji-Hoon
Koh, Yong-Gon
Kim, Paul Shinil
Kang, Kiwon
Kang, Kyoung-Tak
Article History
Received: 20 April 2020
Accepted: 29 May 2020
First Online: 8 June 2020
Ethics approval and consent to participate
: The study was approved by the IRB No. 18-DR-03.
: Consent for publication was given from all authors.
: The authors declare no conflict of interest.