Jang, Jae Hoon
Moon, Nam Hoon
Rhee, Seung Joon
Jung, Seok Jin
Ahn, Tae Young
Article History
Received: 16 November 2020
Accepted: 19 January 2021
First Online: 1 March 2021
Ethics approval and consent to participate
: This article consisted of a retrospective cohort study which contained information of patients and was approved by the Institutional Review Board of Pusan National University Hospital (PNUH IRB No. H-2008-010-094). Informed consents were written and obtained from all individual participants included in the study.
: Not Applicable.
: The authors declare that they have no competing interest.