1. Department of Obstetrics and Gynaecology, Royal Infirmary of Edinburgh, Edinburgh, Scotland
2. Department of Obstetrics and Gynaecology, Victoria Hospital Kirkcaldy, Kirkcaldy, United Kingdom
3. Department of Obstetrics and Gynaecology, Fetal Medicine Midwife, Victoria Hospital Kirkcaldy, NHS Fife, Kirkcaldy, United Kingdom