1. Department of Paediatrics; Reference Centre for Sickle Cell Disease; Hôpital Universitaire Necker-Enfants Malades; APHP; Paris France
2. Université Paris Descartes; Paris France
3. Laboratory of Excellence GR-Ex; Paris France
4. Centre d'Immunologie et des Maladies Infectieuses de Paris; CIMI-PARIS; U 1135 INSERM/UPMC Université Paris VI; Paris France
5. Service de Parasitologie; AP-HP; Hôpital Pitié-Salpêtrière; Paris France
6. Department of Paediatric Haematology; King's College Hospital NHS Foundation Trust; King's Health Partners; Denmark Hill London UK