ASSESSING THE FIDELITY OF ADJUNCT OPT-IN SUPPORT CALLS FOR PARTICIPANTS IN THE PAIN-AT-WORK FEASIBILITY TRIAL
W.J. Chaplin, L. Porter, J. Holmes, V. Abbott-Fleming, E. Wainwright, G. Taylor, P. McNamee, D.F. McWilliams, D. Walsh, K. Walker-Bone, H. Blake