1. Social Care Workforce Research Unit; King's College London; London UK
2. Health Services Research; University of Liverpool; Liverpool UK
3. National Addiction Centre; Institute of Psychiatry; King's College London; London UK
4. Clinical Trials and Health Research; University of Plymouth; Plymouth UK
5. Pathway; University College Hospital Homeless Team; London UK
6. The London School of Economics & Political Science; London UK
7. Public Health Informatics; University College London; London UK