1. Division of Medical Sciences, Institute of Biomedical Research, The University of Birmingham, Queen Elizabeth Hospital, Birmingham; Department of Pathology, Royal Victoria Infirmary, Queen Victoria Road, Newcastle-upon-Tyne; Department of Fetal Medicine, Birmingham Women's Hospital, Birmingham, United Kingdom
2. Division of Medical Sciences, Institute of Biomedical Research, The University of Birmingham, Queen Elizabeth Hospital, Birmingham; Department of Pathology, Royal Victoria Infirmary, Queen Victoria Road, Newcastle-upon-Tyne; Department of Fetal Medicine, Birmingham Women's Hospital, Birmingham, United Kingdom;