1. Division of Methodologies, Florence Nightingale Faculty of Nursing, Midwifery & Palliative Care, Kings College London, London, UK
2. Lived Experience Advisory Group, King’s College London, London, UK
3. Section of Women’s Mental Health, Institute of Psychiatry Psychology and Neuroscience, King’s College London, London, UK
4. Department of Biostatistics and Health Informatics, Institute of Psychiatry Psychology and Neuroscience, King’s College London, London, UK
5. Population Policy & Practice Department, UCL GOS Institute of Child Health, London, UK
6. School of Social Work Care and Community, University of Central Lancashire, Preston, UK
7. Health Services and Population Research Department, Institute of Psychiatry Psychology and Neuroscience, Kings College London, De Crespigny Park, London, UK