1. Department of Haematology, UCLH and Haematology Programme University College London Hospitals Biomedical Research Centre, National Institute for Health Research London UK
2. Department of Haematology University Hospital of Wales Cardiff UK
3. Department of Haematology University Hospitals Bristol NHS Foundation Trust Bristol UK
4. Department of Haematology UCLH London UK
5. Department of Haematology Portsmouth Hospitals University NHS Trust Portsmouth UK
6. Haematology Department Belfast City Hospital, Belfast H&SC Trust Belfast UK
7. Glasgow Royal Infirmary Glasgow UK
8. Great Ormond Street Hospital for Children NHS Foundation Trust London UK
9. Department of Critical Care Medicine Liverpool University Hospitals NHS Foundation Trust Liverpool UK
10. Department of Renal Medicine University College London London UK
11. Liverpool University Hospitals NHS Foundation Trust Liverpool UK
12. TTPNetwork London UK
13. Department of Haematology University Hospitals Birmingham Birmingham UK