Lee, Jung Sun http://orcid.org/0000-0002-9245-8603
Oh, Ji Seon http://orcid.org/0000-0002-0205-6492
Kim, Yong-Gil http://orcid.org/0000-0002-8029-7355
Lee, Chang-Keun http://orcid.org/0000-0003-3653-7515
Yoo, Bin http://orcid.org/0000-0002-1836-5273
Hong, Seokchan http://orcid.org/0000-0001-8722-3124
Article History
Received: 5 February 2020
Accepted: 3 March 2020
First Online: 13 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study complied with the recommendations of the Declaration of Helsinki and was approved by the Institutional Review Board of the Asan Medical Center (2019-03-28/approval number 2019-0407).