1. Department of Haematology; Hull Royal Infirmary; Hull and East Yorkshire Hospitals NHS Trust; Hull UK
2. Department of Haematology; Freeman Hospital; Newcastle upon Tyne Hospitals NHS Foundation Trust; Newcastle upon Tyne UK
3. Department of Haematology; Aberdeen Royal Infirmary; Aberdeen UK
4. Department of Women's Services; Royal Victoria Infirmary; Newcastle upon Tyne Hospitals NHS Foundation Trust; Newcastle upon Tyne UK
5. Department of Haematology; Nottingham City Hospital; Nottingham University Hospitals NHS Trust; Nottingham UK
6. Department of Paediatrics; Royal Victoria Infirmary; Newcastle upon Tyne Hospitals NHS Foundation Trust; Newcastle upon Tyne UK
7. Department of Haematology; University of Birmingham; Birmingham UK