1. Institute for Women's Health University College London London UK
2. Institute for Women's Health University College London and Magnus Life Science London UK
3. Birmingham Clinical Trials Unit University of Birmingham Birmingham UK
4. Centre for Cardiovascular Biology and Medicine University College London London UK
5. Department of Obstetrics and Gynecology Institute of Clinical Sciences Skane University Hospital Lund University Lund Sweden
6. Department of Obstetrics and Fetal Medicine University Medical Centre Hamburg‐Eppendorf Hamburg Germany
7. BCNatal Hospital Clinic and Hospital Sant Joan de Deu CIBERER and IDIBAPS University of Barcelona Barcelona Spain
8. NIHR University College London Hospitals Biomedical Research Centre London UK