Received: 31 March 2021
Accepted: 11 August 2021
First Online: 20 August 2021
: The Institutional Review Board of the National Yang-Ming University approved this study and waived the need for individual consents since all the identification data were encrypted in the NHIRD. All methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: On behalf of all authors, the corresponding author states that there is no conflict of interest.