Kim, Bo-Guen
Shin, Beomsu
Chang, Boksoon
Kim, Hojoong
Jeong, Byeong-Ho http://orcid.org/0000-0002-3124-1718
Article History
Received: 17 May 2019
Accepted: 19 February 2020
First Online: 27 February 2020
Ethics approval and consent to participate
: This study obtained approval from the institutional review board at Samsung Medical Center (IRB no. 2019–03-002) to review and publish information obtained from patient records. The need for informed consent was waived because patient information was anonymized and de-identified prior to analysis.
: Not applicable.
: The authors declare that they have no competing interests.