1. Department of Molecular Pathology; Viapath at King's College Hospital NHS Foundation Trust; London UK
2. Molecular Haematology; Division of Cancer Studies; King's College London; London UK
3. Sickle Cell Branch; National Heart, Lung and Blood Institute/NIH; Bethesda MD USA
4. Thalassaemia Centre; Nicosia Cyprus
5. Paediatric Haematology; Royal Manchester Children's Hospital; Manchester UK
6. MRC Weatherall Institute of Molecular Medicine; University of Oxford; Oxford UK
7. Department of Clinical Genetics; Leiden University Medical Centre; Leiden The Netherlands
8. The Cyprus Institute of Neurology and Genetics; Nicosia Cyprus