University College London, University College London, King’s College London, University College London, University of Plymouth, London School of Economics & Political Science (LSE), University College London - Institute of Health Informatics, University College London, King’s College London, Pathway Charity, King’s College London, University College London, King’s College London, London School of Hygiene & Tropical Medicine, King’s College London - National Addiction Centre, University College London, London School of Economics & Political Science (LSE), Glasgow Caledonian University, University College London, University College London, University College London and University of Washington - Institute of Health Metrics and Evaluation