S. Prasad
E. Kalafat
H. Blakeway
R. Townsend
P. O'Brien
E. Morris
T. Draycott
S. Thangaratinam
K. Le Doare
S. Ladhani
P. von Dadelszen
L. Magee
P. Heath
A. Khalil
University of Birmingham Institute of Metabolism and Systems Research, Birmingham, United Kingdom
Fetal Medicine Unit, St George's Hospital Medical School, University of London, London, United Kingdom
Statistics, Middle East Technical University, Hakkari, Turkey
St George's University Hospitals NHS Foundation Trust, London, United Kingdom
Institute of Women and Children's Health, School of Life Course Sciences, King's College, London, United Kingdom
University of Edinburgh Usher Institute of Population Health Sciences and Informatics, Edinburgh, United Kingdom
North Bristol NHS Trust, Westbury on Trym, Bristol, United Kingdom
Pediatric Infectious Diseases Research Group and Vaccine Institute, Institute of Infection and Immunity, St George's University of London, London, United Kingdom
British Pediatric Surveillance Unit, Royal College of Paediatrics and Child Health, London, United Kingdom
University College London Hospitals NHS Foundation Trust, London, United Kingdom
Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, United Kingdom
United Kingdom
Turkey
N/A
Infectious Diseases (ID)
Coronavirus disease
N/A
N/A
N/A
N/A
NA
N/A
N/A
N/A