1 Hematology Adolescent and Young Adult Unit, St-Louis University Hospital, AP-HP, Paris, France.
2 Immunology laboratory, St-Louis University Hospital, AP-HP, Paris, France.
3 Referral Center for Sickle Cell Disease, Pediatrics, CHIC Hospital, Créteil, France.
4 Inserm U955, Paris XII University, Créteil, France.
5 Pediatric immuno-hematology, Robert Debré University Hospital, AP-HP, Paris, France.
6 French Sickle Cell Referral Centre, Department of Internal Medicine, Georges Pompidou European Hospital, Université de Paris Cité, AP-HP, Paris, France.
7 Immunology laboratory, Robert Debré University Hospital, AP-HP, Paris, France.
8 Transplant department, St-Louis University Hospital, AP-HP, Paris, France.
9 URP-3518, Saint-Louis Research Institute, Université de Paris Cité, Paris, France.
10 Hematology laboratory, St-Louis University Hospital, AP-HP, Paris, France.
11 Hematology Adolescent and Young Adult Unit, St-Louis University Hospital, AP-HP, Paris, France. nathalie.dhedin@aphp.fr.