1. Research and Development/Perinatal Mental Health Service Central & North West London NHS Foundation Trust London UK
2. Division of Psychiatry Imperial College London London UK
3. Centre for Mental Health Research City University of London London UK
4. Department of Psychology University of Surrey Guildford UK
5. Perinatal Mental Health Service East London NHS Foundation Trust London UK
6. Perinatal Mental Health Service Oxleas NHS Foundation Trust London UK
7. Perinatal Mental Health Service Camden & Islington NHS Foundation Trust London UK
8. Statsconsultancy Ltd Amersham UK
9. Faculty of Education University of Cambridge Cambridge UK