Lee, Sang-Uk
Na, Ki-Tae
Lee, Yoon-Min
Park, Jong Hwa
Joo, Sun Young https://orcid.org/0000-0002-0322-1816
Article History
Received: 14 May 2020
Accepted: 3 August 2020
First Online: 14 August 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Incheon St. Mary’s Hospital. All procedures performed in studies were in accordance with the ethical standards of our institutional ethical committee. Informed consent was waived by the committee because of the retrospective nature of the study.
: Not applicable
: The authors declare that they have no competing interests.