1. Bristol Institute for Transfusion Sciences; National Health Service Blood and Transplant (NHSBT); Bristol UK
2. Pediatric Haematology-Oncology Unit, Department of Paediatrics, Advanced Paediatrics Centre; PGIMER; Chandigarh India
3. Department of Haematology; PGIMER; Chandigarh India
4. Department of Histopathology; PGIMER; Chandigarh India
5. Department of Internal Medicine; PGIMER; Chandigarh India
6. Membrane Biochemistry; International Blood Group Reference Laboratory, NHSBT; Bristol UK
7. Department of Haematological Medicine, Leukaemia Genomics and Bone Marrow Failure Group; Kings College Hospital; London UK