Published on in Vol 11 (2023)
                                    Preprints (earlier versions) of this paper are
                                    available at
                                    https://preprints.jmir.org/preprint/47833, first published
                                    .
                                

1 Department of Health Service, Air Force Medical University, Xi'an, Shaanxi, China
2 Department of Health Statistics, Air Force Medical University, Xi'an, Shaanxi, China
*these authors contributed equally
