University College London, University College London, Cardiff University - Division of Psychological Medicine and Clinical Neurosciences, London School of Hygiene & Tropical Medicine, University of Cambridge - Department of Psychiatry, Swansea University - Population Data Science, University College London - Division of Psychiatry, Cardiff University, University of London - Center for Longitudinal Studies, Cardiff University - Division of Psychological Medicine and Clinical Neurosciences, University College London - Department of Social Science and University College London - Division of Psychiatry