1. Canadian Blood ServicesOttawa Ontario Canada
2. American Red CrossRockville Maryland
3. University of Cambridge, and National Institute for Health Research (NIHR) Blood and Transplant Research Unit in Donor Health and GenomicsCambridge UK
4. SanquinAmsterdam the Netherlands
5. Blood Systems, Inc.Scottsdale Arizona
6. Héma‐QuébecQuébec City Québec Canada