1. National Addiction Centre King's College London Institute of Psychiatry, Psychology and Neuroscience London UK
2. South London and Maudsley NHS Foundation Trust London UK
3. NIHR Maudsley Biomedical Research Centre London UK
4. King's College London Institute of Psychiatry, Psychology and Neuroscience London UK
5. School of Psychiatry, Health Education England London UK
6. Innovation, Health, and Science, RAND Europe Cambridge UK
7. Centre for Epidemiology and Biostatistics Melbourne School of Global and Population Health, The University of Melbourne Melbourne Australia