Breast cancer screening programmes and breast cancer mortality: An observational study of 194 countries: Supplementary materials

<b>Supplementary content:</b><b>Table S1:</b> GATHER statement checklist, with a description of compliance and location of information for "Breast Cancer Screening Programs and Breast Cancer Mortality: An Observational Study of 194 Countries”<b>Table S2:</b> Countries with regular breast cancer screening programs at the national level, 2015–2021<b>Table S3:</b> Countries with inconsistent breast cancer screening programs at the national level, 2015–21<b>Table S4:</b> Countries without any breast cancer screening programs at the national level, 2015–2021<b>Table S5:</b> Annualized changes in age-standardized breast cancer mortality across the countries from 2015–2021