1. Estimated number of new cases in 2018, worldwide both sexes, all ages. Accessed April 22, 2020. https://gco.iarc.fr/today/online-analysis-pie?v=2018&mode=cancer&mode_population=who&population=900&populations=900&key=total&sex=0&cancer=39&type=0&statistic=5&prevalence=0&population_group=0&ages_group%5B%5D=0&ages_group%5B%5D=17items=7&group_cancer=1&include_nmsc=1&include_nmsc_other=1&half_pie=0&donut=0&population_group_globocan_id=#collapse-others. Accessed August 15, 2020.

2. Estimated number of new cases in 2018, worldwide both sexes, age 65+. Accessed April 22, 2020. https://gco.iarc.fr/today/online-analysis-pie?v=2018&mode=cancer&mode_population=who&population=900&populations=900&key=total&sex=0&cancer=39&type=0&statistic=5&prevalence=0&population_group=0&ages_group%5B%5D=13&ages_group%5B%5D=17items=7&group_cancer=1&include_nmsc=1&include_nmsc_other=1&half_pie=0&donut=0&population_group_globocan_id=. Accessed August 15, 2020.

3. Estimated number of new cases in 2018, worldwide both sexes, age 0-64. Accessed April 22., 2020. https://gco.iarc.fr/today/online-analysis-pie?v=2018&mode=cancer&mode_population=who&population=900&populations=900&key=total&sex=0&cancer=39&type=0&statistic=5&prevalence=0&population_group=0&ages_group%5B%5D=0&ages_group%5B%5D=12items=7&group_cancer=1&include_nmsc=1&include_nmsc_other=1&half_pie=0&donut=0&population_group_globocan_id=.

4. Cancer incidence and mortality patterns in Europe: Estimates for 40 countries and 25 major cancers in 2018