1. Department of General Pediatrics and Pediatric Infectious Diseases, Reference Center for Sickle Cell Disease, Necker Hospital for Sick Children, Assistance Publique–Hôpitaux de Paris (AP-HP), Université de Paris, Paris, France;
2. Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutical Implications, Université de Paris, Imagine Institute, INSERM U1163, Paris, France;
3. Laboratory of Excellence GR-Ex, Paris, France;
4. Institut National de la Transfusion Sanguine, INSERM UMR_S 1134, Paris, France; and
5. Pediatric Intensive Care Unit and
6. Department of Hematology, Necker Hospital for Sick Children, AP-HP, Université de Paris, Paris, France