1. NHS Blood and Transplant (Filton Centre); Bristol UK
2. NHS Blood and Transplant (Tooting Centre); London UK
3. Haematology; Surrey and Sussex Healthcare NHS Trust; Redhill UK
4. Obstetrics & Gynaecology, East Surrey Hospital; Surrey and Sussex Healthcare NHS Trust; Redhill UK
5. Haematology, University Hospital Lewisham, Lewisham and Greenwich NHS Trust; London UK