Received: 22 May 2020
Accepted: 25 August 2020
First Online: 31 August 2020
Ethics approval and consent to participate
: This retrospective study was approved by the Institutional Review Board of Far Eastern Memorial Hospital (IRB-105066-E). Since this was a retrospective study, consent was waived.
: Not applicable.
: All authors declare they have no competing interests regarding this study.and manuscript.