1. Department of Gynaecological Oncology, Royal London Hospital, Barts Health NHS Trust, London E1 1FR, UK
2. Institute of Applied Health Sciences, University of Aberdeen, Aberdeen AB24 3FX, UK
3. Aberdeen Royal Infirmary, NHS Grampian, Aberdeen AB25 2ZN, UK
4. Wolfson Institute of Population Health, Queen Mary University of London, London EC1M 6BQ, UK
5. UOC Ginecologia Oncologica, Dipartimento per la Salute della Donna e del Bambino e della Salute Pubblica, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
6. Cancer Diseases Hospital, Lusaka 10101, Zambia
7. Northwestern University in Chicago, Chicago, IL 60611, USA
8. Department of Obstetrics and Gynaecology, First Faculty of Medicine, Charles University and General University Hospital, 121 08 Prague, Czech Republic