1. Department of General Pediatrics and Pediatric Infectious Diseases, Sickle Cell Center, Necker‐Enfants Malades Hospital, Assistance Publique – Hôpitaux de Paris (AP‐HP) Université Paris Cité Paris France
2. Department of Pediatric Hematology‐Oncology, PRISMA Health Comprehensive SCD Program University of South Carolina School of Medicine Greenville South Carolina USA
3. Haematology and Haemotherapy Centre, School of Medicine University of Campinas – UNICAMP Campinas, São Paulo Brazil
4. Department of Paediatric Haematology, Evelina London Children's Hospital Guy's and St Thomas' NHS Foundation Trust London UK
5. Department of Pediatric Oncology Hematology Bone Marrow Transplant King Faisal Specialist Hospital & Research Center Jeddah Kingdom of Saudi Arabia
6. Department of Pediatric Oncology, Hematology and Immunology, Hopp Children's Cancer Center Heidelberg (KiTZ) University of Heidelberg Heidelberg Germany
7. Sickle Cell Disease Association of Canada Toronto Canada
8. IST e.V., German Sickle Cell Disease and Thalassaemia Association Eschweiler Germany
9. Sickle Cell Society London UK
10. Sickle Cell Disease Association of America, Inc. Hanover Maryland USA
11. Pfizer Inc. New York New York USA
12. Ipsos Healthcare London UK
13. Division of Hematology/Oncology The Hospital for Sick Children Toronto Ontario Canada