Optimal management of RA patients who require Biologic Therapy (ORBIT) – a randomised controlled, non-inferiority study by Porter, D, van Melckebeke, J, Dale, J, Messow, C, McConnachie, P, Walker, A, Munro, R, McLaren, J, McRorie, E, Packham, J, Buckley, C, Harvie, J, Pitzalis, C, Taylor, P, Choy, E, McInnes, I