1. Royal Preston Hospital, Lancashire Teaching Hospital NHS Trust; Gynaecological Oncology Unit; Sharoe Green Lane Fullwood Preston Lancashire UK PR2 9HT
2. Ioannina University Hospital; Department of Obstetrics and Gynaecology; Ioannina Greece 45001
3. Newcastle University; Institute of Health & Society; Medical School New Build Richardson Road Newcastle upon Tyne UK NE2 4AX