1. Centre for Clinical Epidemiology & Evaluation, Vancouver Coastal Health Research Institute University of British Columbia Vancouver British Columbia Canada
2. Department of Medicine, McMaster Centre for Transfusion Research McMaster University Hamilton Ontario Canada
3. Saskatchewan Bleeding Disorders ProgramLiveWell Chronic Disease Management ‐ Saskatoon, Saskatchewan Health Authority Saskatoon Saskatchewan Canada
4. McMaster Children’s HospitalHamilton Health Sciences Hamilton Ontario Canada
5. Providence Health Care Vancouver British Columbia Canada
6. Division of Hematology, Department of Medicine St. Paul’s Hospital and University of British Columbia Vancouver British Columbia Canada