Article History
Received: 11 August 2022
Revised: 11 August 2022
Accepted: 19 August 2022
First Online: 26 September 2022
Declarations
:
: Ethics approval does not apply. All data were approved by the Research Ethics Review Board of the National Center for Health Statistics and no other ethical approvals were required.
: Does not apply.
: The authors declare no competing interests.