1. Department of Dermatology; University Hospital Birmingham; Birmingham U.K.
2. Guy's and St Thomas’ NHS Trust; London U.K.
3. Rotherham Foundation NHS Trust; Rotherham U.K.
4. Therapeutics and Tissue Services; NHS Blood and Transplant; Sheffield U.K.
5. Christie NHS Foundation Trust; Manchester U.K.
6. University Hospitals Bristol NHS Foundation Trust; Bristol U.K.
7. University of Birmingham Medical School; Birmingham U.K.
8. Royal Liverpool and Broadgreen University Hospitals NHS Trust; Liverpool U.K.
9. Therapeutics and Tissue Services - NHS Blood and Transplant; Sheffield U.K.
10. Churchill Hospital; Oxford, Oxfordshire U.K.
11. St James Institute of Oncology; Leeds U.K.
12. Diagnostic and Therapeutic Services - NHS Blood and Transplant; Bristol U.K.