1. Department of Pediatrics Mount Sinai Hospital Toronto Ontario Canada
2. Department of Pediatrics University of Toronto Toronto Ontario Canada
3. Maternal‐infant Care Research Centre Mount Sinai Hospital Toronto Ontario Canada
4. Department of Clinical Science Intervention and Technology Karolinska Institute and Center for Fetal Medicine Karolinska University Hospital Stockholm Sweden
5. Women's Health and Perinatology Research Group Department of Clinical Medicine UiT, The Arctic University of Norway Tromsø Norway
6. Division of Infectious Disease Department of Pediatrics Hospital for Sick Children Toronto Ontario Canada