Cheon, Kyeong-Jun
Cho, Seoung-Won
Jang, Won-Seok
Kim, Ju-Won
Yang, Byoung-Eun
Article History
Received: 10 February 2020
Accepted: 9 March 2020
First Online: 16 March 2020
Ethics approval and consent to participate
: The study was approved by Hallym University Sacred Heart Hospital’s institutional review board (IRB No. 2018-05-013-001). Retrospective unnamed data was collected for the evaluation purpose. All clinical study was performed in accordance with the relevant guidelines and regulations.
: Not applicable
: The authors declare that they have no competing interests.