Healey, E., Jinks, C., Foster, N., Chew-Graham, Chew-Graham, C., Pincus, T., …McBeth, J. (2017). The feasibility and acceptability of a physical activity intervention for older people with chronic musculoskeletal pain: The iPOPP pilot trial protocol. Musculoskeletal Care, 16(1), https://doi.org/10.1002/msc.1222