1. National Guideline Alliance; Royal College of Obstetricians and Gynaecologists; London UK
2. Leeds Institute of Health Sciences; University of Leeds; Leeds UK
3. Royal College of Obstetricians and Gynaecologists; London UK
4. Scientific Resource Center; VA Portland Research Foundation; Portland Oregon USA
5. Academic Unit of Palliative Care; Leeds Institute of Health Sciences, University of Leeds; Leeds UK
6. Yealth Network; Beijing Yealth Technology Co., Ltd; Beijing China
7. Cochrane Campbell Global Ageing Partnership UK