1. Department of Medicine McMaster Centre for Transfusion ResearchMcMaster University Hamilton ON Canada
2. Department of Health Research Methods, Evidence, and Impact McMaster University Hamilton ON Canada
3. Division of Paediatric Medicine Department of Paediatrics The Hospital for Sick ChildrenUniversity of Toronto Toronto ON Canada
4. Division of Pediatric Hemaology/Oncology Department of Pediatrics McMaster University Hamilton ON Canada
5. Department of Immunology and Inflammation Department of Medicine Imperial college London UK
6. Department of Medicine and Department of Pathology & Laboratory Medicine Perelman School of Medicine University of Pennsylvania Philadelphia PA USA
7. Arvada CO USA
8. Department of Emergency Medicine Queen’s University Kingston ON Canada
9. Department of Medicine McMaster University Hamilton ON Canada
10. Platelet Disorder Support Association Cleveland OH USA
11. Heme Onc Call USA
12. Department of Pediatric Hematology/Oncology Dana‐Farber/Boston Children’s Cancer and Blood Disorders Center Harvard Medical School Boston MA USA
13. Department of Emergency Medicine Dr FH Wigmore Regional HosiptalSaskatchewan Health Authority Saskatoon SK Canada
14. Department of Medicine Joseph Brant Hospital Burlington ON Canada
15. Department of Economics and Institute for Policy Research Northwestern University Evanston IL USA
16. Hamilton Health Sciences and McMaster School of Nursing Hamilton ON Canada
17. Hamilton Health Sciences Hamilton ON Canada
18. Hamilton Regional Laboratory Medicine Program Hamilton ON Canada
19. Platelet Disorder Support Association (PDSA) Cleveland OH USA
20. Division of Emergency Medicine Department of Pediatrics Cincinnati Children’s Hospital Medical CenterUniversity of Cincinnati College of Medicine Cincinnati OH USA
21. Platelet Disorder Support Association Cincinnati OH USA
22. Canadian Blood Services Hamilton ON Canada
23. Department of Pathology and Molecular Medicine McMaster University Hamilton ON Canada
24. Division of Emergency Medicine Department of Medicine Lawson Health Research InstituteLondon Health Sciences Centre London ON Canada
25. Schulich School of Medicine and Dentistry Western University London ON Canada
26. Department of Medicine Michael G. DeGroote School of Medicine McMaster University Hamilton ON Canada
27. Institute for Clinical and Experimental Transfusion Medicine University Hospital Tübingen Tübingen Germany