Kwak, Sang Ho
Bae, Jung Yun
Oh, Youngkwang
Jang, Hyo Seok
Ahn, Tae Young
Lee, Sang Hyun http://orcid.org/0000-0002-2084-9824
Article History
Received: 29 April 2020
Accepted: 4 November 2020
First Online: 27 November 2020
Ethics approval and consent to participate
: This retrospective study was approved by the ethical review committee, Pusan National University Yangsan Hospital (05–2020-007). Written informed consent was obtained from participants for research studies and presented data.
: Not applicable
: The authors declare that they have no competing interests.