Predicting maintenance lithium response for bipolar disorder from electronic health records—a retrospective study 1Department of Psychiatry, University College London, University of London, London, United Kingdom 2Camden and Islington NHS foundation Trust, London, United Kingdom 3Research Institutes of Sweden (RISE), Stockholm, Sweden 4Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden 5Division of Clinical Epidemiology, Department of Medicine Solna, Karolinska...