Roden-Lui, Gloria, Faulkner, Guy, Lucock, Mike, Gibbon, Simon, Hewitt, Catherine, Hughes, Elizabeth, Khan, Wajid, Lewis, Kiara, Singh, Bal, Walters, Phil, Watson, Judith, Walker, Tammi, "A feasibility study of a physical activity intervention for people with severe mental illness in medium secure psychiatric services in the United Kingdom", Frontiers in Psychiatry, 2025