1. Faculty of Medicine, University of Toronto, Toronto, Canada
2. School of Medicine, Trinity College, Dublin, Ireland
3. Departments of Obstetrics/Gynecology and Medicine, University of Toronto, Division of Maternal-Fetal Medicine, Special Pregnancy Program, Mount Sinai Hospital, Toronto, Canada
4. Department of Medicine, Division of General Internal Medicine, University of Toronto, Special Pregnancy Program, Mount Sinai Hospital, Toronto, Canada
5. Department of Medicine, Division of Hematology, University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Canada
6. Li Ka Shing Knowledge Institute, Toronto, Canada
7. Mount Sinai Hospital, Toronto, Canada
8. Departments of Medicine and Laboratory Medicine and Pathobiology, University of Toronto, Division of Hematology, Special Pregnancy Program, Mount Sinai Hospital, Toronto, Canada