1. Division of Child Health, Obstetrics and Gynaecology School of Medicine University of Nottingham Nottingham UK
2. Department of Obstetrics and Gynaecology Norfolk and Norwich University Hospitals NHS Foundation Trust Norwich UK
3. Group B Strep Support Haywards Heath UK
4. Department of Microbiology Birmingham Children's Hospital NHS Foundation Trust Birmingham UK
5. Nottingham Clinical Trials Unit University of Nottingham Nottingham UK