Received: 25 February 2021
Accepted: 18 May 2021
First Online: 28 May 2021
: This study adheres to the guidelines of the Declaration of Helsinki. This study was granted an ethics waiver by the Institutional Review Board at Show Chwan Memorial Hospital (IRB1090203). According to the same committee, formal written informed consent was not required. Similarly, the study was deemed as “not involving human subjects research” by the Institutional Review Board at Show Chwan Memorial Hospital Human Subjects Committee and exempted from human subjects’ oversight. The first author invited all participants by email or telephone, emphasizing that participation was voluntary and anonymous. All participants provided oral consent.”
: Not applicable.
: The authors declare that they have no competing interests.