Stathi, Afroditi, Withall, Janet, Greaves, Colin J., Thompson, Janice L., Taylor, Gordon, Medina-Lara, Antonieta, Green, Colin, Bilzon, James, Gray, Selena, Johansen-Berg, Heidi, Sexton, Claire E., Western, Max J., de Koning, Jolanthe L., Bollen, Jessica C., Moorlock, Sarah J., Demnitz, Naiara, Seager, Poppy, Guralnik, Jack M., Jack Rejeski, W., Fox, Ken R., "A community-based physical activity intervention to prevent mobility-related disability for retired older people (REtirement in ACTion (REACT)): Study protocol for a randomised controlled trial", Trials, 2018