1. University of Southampton; Obstetrics and Gynaecology; Level F, Princess Anne Hospital Coxford Road Southampton UK SO16 5YA
2. Princess Anne Hospital; Obstetrics and Gynaecology; Coxford Road Southampton UK SO16 5YA
3. University of Hong Kong, Queen Mary Hospital; Department of Obstetrics and Gynaecology; Pokfulam Road Hong Kong Hong Kong Hong Kong
4. University of New South Wales; School of Women's & Children's Health; Level 1, Royal Hospital for Women, Barker Street (Locked Bag 2000) Randwick NSW Australia
5. University of Auckland; Obstetrics and Gynaecology; FMHS Park Road Grafton Auckland New Zealand 1003