1. St Mary's Hospital; Department of Obstetrics and Gynaecology; Oxford Road Manchester UK M139WL
2. Bolton NHS Foundation Trust; Minerva Road Bolton UK BL4 0JR
3. University of Auckland; Obstetrics and Gynaecology; 85 Park Rd Private Bag 92019 Auckland New Zealand 1142
4. University of Manchester @ St Mary's Hospital; Academic Unit of Obstetrics, Gynaecology & Reproductive Health; Whitworth Park Manchester UK M13 0JH
5. University of Manchester; Academic Unit of Obstetrics and Gynaecology, School of Cancer and Enabling Science; Room L5.CT.383, St. Mary's Hospital Oxford Road Manchester UK M13 9WL