1. Histocompatibility and Immunogenetics Laboratory Gartnavel General Hospital Glasgow UK
2. Institute of Infection, Immunity and Inflammation College of Medical, Veterinary and Life Sciences University of Glasgow Glasgow UK
3. Histocompatibility and Immunogenetics Laboratory NHS Blood and Transplant Newcastle‐Upon‐Tyne UK
4. Histocompatibility and Immunogenetics Laboratory North West London PathologyHammersmith Hospital London UK
5. Transplantation Laboratory Manchester Royal Infirmary Manchester UK
6. Transplant Laboratory University Hospitals of Leicester Leicester General Hospital Leicester UK
7. Department of Respiratory Sciences University of Leicester Leicester UK
8. Anthony Nolan London UK
9. Cellular and Molecular Therapies NHS Blood and Transplant Bristol UK
10. Tissue Typing Laboratory Cambridge University Hospitals NHS Foundation TrustCambridge Biomedical Campus Cambridge UK