1. Division of Women's Health, Faculty of Life Sciences & Medicine; King's College London; London UK
2. Kings Fertility; London UK
3. Department of Reproductive Medicine and Surgery; Christian Medical College; Vellore India
4. Aberdeen Fertility Unit; NHS Grampian; Aberdeen UK
5. Obstetrics & Gynaecology; Faculty of Medicine, Mansoura University; Mansoura Egypt
6. School of Medicine Medical Sciences and Nutrition; University of Aberdeen; Aberdeen UK