1. Pediatric Department Sickle Cell Disease Referral Center, Centre Hospitalier Intercommunal de Créteil Créteil France
2. Sorbonne University Paris France
3. Adult Department Sickle Cell Disease Referral Center, Centre Hospitalier Intercommunal de Créteil Créteil France
4. Internal Medicine Department Sickle Cell Disease Referral Center, Groupe Hospitalo‐Universitaire Henri Mondor, INSERM U955, IMRB, Paris XII University Créteil France
5. Internal Medicine Department Sickle Cell Disease Referral Center, hôpital européen Georges Pompidou Paris France
6. Hematologic Department Sickle Cell Disease Referral Center, hôpital Saint Louis Paris France
7. Hematologic Department Sickle Cell Disease Referral Center, hôpital Tenon Paris France
8. Sickle Cell Unit Referral Center, Centre Hospitalier Universitaire de Guadeloupe Pointe‐à‐Pitre Guadeloupe France
9. Sickle Cell Unit Referral Center, Centre Hospitalier Universitaire de Martinique Fort‐de‐France Martinique France
10. Internal Medicine Department Sickle Cell Disease Referral Center, Groupe Hospitalo‐Universitaire Henri Mondor Créteil France
11. Genetics Department Groupe Hospitalo‐Universitaire Henri Mondor, INSERM U955, IMRB, Team 2, Paris XII University Créteil France
12. BIOSSEC Clinical Biostatistics Paris France
13. APHP (Assistance Publique des Hôpitaux de Paris) Paris France
14. INSERM U955, IMRB, Paris XII University Créteil France