Institution: | 1. Hull York Medical School, University of Hull, Kingston upon Hull, UK;2. Department of Clinical Biochemistry, Hull Royal Infirmary, Kingston upon Hull, UK;3. Public Health Team, Women and Children's Hospital, Hull Royal Infirmary, Hull, UK;4. Academic Department of Obstetrics and Gynaecology, Women and Children's Hospital, Hull Royal Infirmary, Hull, UK |