Article History
Received: 3 September 2019
Accepted: 25 November 2020
First Online: 3 December 2020
Ethics approval and consent to participate
: This study was approved by the institutional research board (IRB) of the St. Mary Hospital (SC19RESI0111) and was performed in accordance with the ethical standards of the Declaration of Helsinki. All patients included in the study provided verbal informed consent. As this study was conducted retrospectively and all data was anonymized, the written informed consent procedures have been exempted under the provisions of IRB of St. Mary Hospital.
: Not applicable for this study.
: The authors declare that they have no competing interest.