Hewlett, S, Ambler, N, Almeida, C, Blair, PS, Choy, E, Dures, E, Hammond, A, Hollingworth, W, Kirwan, J, Plummer, Z, Rooke, C, Thorn, J, Tomkinson, K, Pollock, J, "Protocol for a randomised controlled trial for Reducing Arthritis Fatigue by clinical teams using cognitive behavioural approaches (RAFT).", BMJ Open, 2015