1. NIHR Cardiovascular Biomedical Research UnitRoyal Brompton HospitalLondon United Kingdom
2. Department of HaematologyUniversity College LondonLondon United Kingdom
3. Department of PaediatricsUniversity of TurinTurin Italy
4. Department of HematologyThe First Affiliated Hospital of Guangxi Medical UniversityNanning China
5. Department of Pediatric HematologyCairo UniversityCairo Egypt
6. Department of PediatricsAin Shams UniversityCairo Egypt
7. Department of Pediatric Hematology‐OncologyAkdeniz UniversityAntalya Turkey
8. Department of BiochemistryCukurova University Medical FacilityAdana Turkey
9. Novartis PharmaceuticalsEast Hanover New Jersey
10. Novartis Pharma AGBasel Switzerland
11. Department of Pediatric HematologyEge University HospitalIzmir Turkey