Funding for this research was provided by:
Changhua Christian Hospital (108-CCH-PRJ-174, 109-CCH-IPR-038)
Received: 21 July 2020
Accepted: 19 April 2021
First Online: 1 May 2021
: The study was carried out in accordance with the Declaration of Helsinki and was approved by the Ethics Committee of Changhua Christian Hospital, Taiwan (approval no. 160615; 200128). Informed consent was not obtained from the patients because it was not requested for this retrospective study. Data were collected from electronic medical records and the data used were anonymous. No any administrative permission was required to access and use the medical records described in the study.
: Not applicable.
: The authors declare that they have no conflict of interest.