1. World Health Organisation (WHO). In WHO global pulse survey, 90% of countries report disruptions to essential health services since COVID-19 pandemic. 2020 https://www.who.int/news/item/31-08-2020-in-who-global-pulse-survey-90-of-countries-report-disruptions-to-essential-health-services-since-covid-19-pandemic Accessed 23 February 2023
2. World Cancer Research Fund. Worldwide cancer data. 2018 https://www.wcrf.org/dietandcancer/cancer-trends/worldwide-cancer-data Accessed 23 February 2023
3. Comorbidities, therapy and newly diagnosed conditions for women with early-stage breast cancer;Harlan;J. Cancer Surviv,2009
4. American Cancer Society. Breast Cancer – Facts and Figures (2019-2020), 2019 https://www.cancer.org/content/dam/cancer-org/research/cancer-facts-and-statistics/breast-cancer-facts-and-figures/breast-cancer-facts-and-figures-2019-2020.pdf Accessed 23 February 2023
5. NHS England. Next steps on NHS response to COVID-19: Letter from Sir Simon Stevens and Amanda Pritchard, 2020 https://www.england.nhs.uk/coronavirus/wp-content/uploads/sites/52/2020/03/20200317-NHS-COVID-letter-FINAL.pdf Accessed 23 February 2023