Using electronic medical records to enable large-scale studies in psychiatry: Treatment resistant depression as a model

R. H. Perlis, D. V. Iosifescu, V. M. Castro, S. N. Murphy, V. S. Gainer, J. Minnier, T. Cai, S. Goryachev, Q. Zeng, P. J. Gallagher, M. Fava, J. B. Weilburg, S. E. Churchill, I. S. Kohane, J. W. Smoller