1. Research Department of Clinical Educational & Health Psychology University College London London UK
2. National Guideline Alliance Royal College of Obstetricians and Gynaecologists London UK
3. National Institute for Health and Care Excellence Manchester UK
4. Centre for Trials Research Cardiff University Cardiff UK
5. The Warrell Unit St Mary's Hospital Manchester UK
6. Manchester Academic Health Science Centre University Hospitals NHS Foundation Trust Manchester UK
7. Faculty of Medical Human Sciences University Institute of Human Development University of Manchester Manchester UK