1. Department of Renal Medicine; Royal Infirmary of Edinburgh; Edinburgh UK
2. H&I Department; Scottish National Blood Transfusion Service; Edinburgh UK
3. Tissue and Cells Services; Scottish National Blood Transfusion Service; Edinburgh UK
4. Department of Orthopaedic Surgery; Royal Infirmary of Edinburgh; Edinburgh UK
5. Department of Transplant Surgery; Royal Infirmary of Edinburgh; Edinburgh UK