https://pophealthmetrics.biomedcentral.com/articles/10.1186/s12963-020-00243-y
https://pophealthmetrics.biomedcentral.com/articles/10.1186/s12963-020-00241-0
https://pophealthmetrics.biomedcentral.com/articles/10.1186/s12963-020-00227-y
https://pophealthmetrics.biomedcentral.com/articles/10.1186/s12963-020-00225-0
https://pophealthmetrics.biomedcentral.com/articles/10.1186/s12963-020-00239-8
https://pophealthmetrics.biomedcentral.com/articles/10.1186/s12963-020-00232-1
https://pophealthmetrics.biomedcentral.com/articles/10.1186/s12963-020-00228-x
https://pophealthmetrics.biomedcentral.com/articles/10.1186/s12963-020-00230-3
https://pophealthmetrics.biomedcentral.com/articles/10.1186/s12963-020-00240-1
https://pophealthmetrics.biomedcentral.com/articles/10.1186/s12963-020-00226-z
https://pophealthmetrics.biomedcentral.com/articles/10.1186/s12963-020-00238-9
https://pophealthmetrics.biomedcentral.com/articles/10.1186/s12963-020-00229-w
https://pophealthmetrics.biomedcentral.com/articles/10.1186/s12963-020-00231-2
https://pophealthmetrics.biomedcentral.com/articles/10.1186/s12963-021-00246-3