The clinical effectiveness of using a predictive algorithm to guide antidepressant treatment in primary care (PReDicT): an open-label, randomised controlled trial by Browning, M, Bilderbeck, A, Dias, R, Dourish, C, Kingslake, J, Deckert, J, Goodwin, G, Gorwood, P, Guo, B, Harmer, C, Morriss, R, Reif, A, Ruhe, H, van Chaik, A, Simon, J, Perez Sola, V, Veltman, D, Elices, M, Lever, A, Menke, A, Scanferla, E, Stablein, M, Dawson, G