Institution: | (1) Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK;(2) Public Health and Epidemiology Group, Peninsula Medical School, Exeter, UK;(3) Department of Psychiatry, University of Cambridge, Cambridge, UK;(4) Department of Internal Medicine, University of Michigan, Michigan, USA;(5) Veterans Affairs Center for Practice Management and Outcomes Research, Michigan, USA;(6) Institute for Social Research, University of Michigan, Michigan, USA |