We are grateful to receive funding from a variety of sources. We would like to thank all our current and previous funders, including: Chief Scientist Office of the Scottish Government Macmillan Cancer Support Marie Curie Chest, Heart & Stroke Scotland Economic & Social Research Council National Cancer Research Institute NHS National Institute for Health Research THET The Dunhill Medical Trust St Columba's Hospice The Robertson Trust The Scottish School of Primary Care Cancer Research UK Department of Health Department for International Development UK This article was published on 2024-09-24