1. Nurture Fertility; The East Midlands Fertility Clinic; Nottingham UK
2. Division of Child Health, Obstetrics and Gynaecology, School of Medicine; University of Nottingham; Nottingham UK
3. School of Clinical and Experimental Medicine, College of Medical and Dental Sciences; University of Birmingham; Birmingham UK
4. Nottingham University Hospitals NHS Trust; Queen's Medical Centre; Nottingham UK