Acceptance and commitment therapy as a web-based intervention for depressive symptoms: randomised controlled trial.

Pots, W.T.M., Fledderus, M., Meulenbeek, P.A.M., ten Klooster, P.M., Schreurs, K.M.G., Bohlmeijer, E.T. (2015). The British Journal of Psychiatry, 208, 69 - 77.
Hyperlink: http://bjp.rcpsych.org/content/208/1/69