1. School of Nursing, Midwifery and Social Work, University of Manchester, Manchester, UK
2. NIHR School for Primary Care Research, Manchester Academic Health Science Centre, Centre for Primary Care, Institute of Population Health, University of Manchester, Manchester, UK
3. Centre for the Economics of Mental and Physical Health, Institute of Psychiatry, King’s College London, London, UK
4. Centre for Mental Health, University of Bristol, Bristol, UK
5. School of Psychological Sciences, University of Manchester, Manchester, UK
6. Department for Health, University of Bath, Bath, UK
7. Centre for Women’s Health, Institute of Brain, Behaviour and Mental Health, University of Manchester, Manchester, UK