Kang, Jieun
Park, Shinhee
Chae, Eun Jin
Song, Joon Seon
Hwang, Hee Sang
Kim, Sun Jong
Song, Tae Jun
Kim, Myung-Whan
Song, Jin Woo http://orcid.org/0000-0001-5121-3522
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2019R1A2C2008541)
Article History
Received: 4 July 2020
Accepted: 11 October 2020
First Online: 19 October 2020
Ethics approval and consent to participate
: This study was conducted in accordance with the amended Declaration of Helsinki and the protocol was approved by the Institutional Review Board of Asan Medical Center (IRB No.: 2017-0352). Informed consent was waived due to the retrospective nature of the study.
: The authors declare that they have no competing interests.