1. Queen Charlotte's and Chelsea Hospital, Imperial College Healthcare NHS Trust Du Cane Road London W12 0NN United Kingdom
2. Department of Metabolism, Digestion and Reproduction Imperial College London Du Cane Road London W12 0NN UK
3. London School of Obstetrics and Gynaecology, Health Education England
4. Whipps Cross University Hospital, Barts Health NHS Trust London E11 1NR UK