Article History
Received: 2 July 2020
Accepted: 14 March 2021
First Online: 25 March 2021
Declarations
:
: Our study was exempted from obtaining an ethics review by the Institutional Review Board of Chi Mei Medical Center. The requirement for informed consent was waived as no identifiable personal information could be analysed using the datasets obtained from the database.
: Not applicable.
: The authors declare that they have no competing interests.