1. Toronto Platelet Immunobiology Group, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada;
2. Division of Hematology, Department of Medicine, Brigham and Women’s Hospital, Boston, MA;
3. Harvard Medical School, Boston, MA;
4. Departments of Anesthesia and Physiology, University of Toronto, Toronto, ON, Canada;
5. Canadian Blood Services, Toronto, ON, Canada;
6. Centre de Recherche du Centre Hospitalier Universitaire de Québec, Département de Microbiologie et Immunologie, Faculté de Médecine, Université Laval, Québec, QC, Canada;
7. Vascular Biology Program, Department of Surgery, Children’s Hospital Boston, Boston, MA;
8. Departments of Pharmacology, Medicine, and Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada; and
9. Division of Hematology and Transfusion Medicine, Lund University, Lund, Sweden