1. Welsh Blood Service; Velindre NHS Trust; Cardiff UK
2. ICCBBA; Redlands California USA
3. Blood Transfusion; Norfolk & Norwich University Hospitals NHS Foundation Trust; Norwich UK
4. Blood Transfusion; Gateshead Health NHS Foundation Trust; Gateshead UK
5. Scottish National Blood Transfusion Service; Edinburgh UK
6. Blood Transfusion; Imperial College Healthcare NHS Trust/Colindale Centre, NHS Blood and Transplant; London UK
7. Blood Transfusion; Oxford University Hospitals, NHS Trust; Oxford UK
8. Blood Transfusion; Betsi Cadwaladr University Health Board; Wrexham UK
9. UK NEQAS (BTLP); West Hertfordshire Hospitals NHS Trust; Watford UK