1. Component Development Laboratory NHS Blood and Transplant Cambridge UK
2. National Institute for Health Research BioResource‐Rare Diseases Cambridge University Hospitals NHS Foundation Trust Cambridge UK
3. Bristol Institute for Transfusion Sciences NHS Blood and Transplant Bristol UK
4. School of Biochemistry University of Bristol Bristol UK
5. Research and Development Australian Red Cross Lifeblood Alexandria Australia
6. Department of Haematology University of Cambridge Cambridge UK
7. Clinical Directorate NHS Blood and Transplant London UK