1. Academic Unit of Reproductive and Developmental Medicine, University of Sheffield, UK
2. The Heart & Lung Transplant Unit, Northern General Hospital, Sheffield Teaching Hospitals NHS Foundation Trust, UK
3. Pinderfields Hospital, Mid Yorkshire Hospitals NHS Trust, UK
4. Department of Anaesthesia, Royal Hallamshire Hospital, Sheffield Teaching Hospitals NHS Foundation Trust, UK
5. Department of Gynaecological Oncology, Royal Hallamshire Hospital, Sheffield Teaching Hospitals NHS Foundation Trust, UK