1. Institute of Genetics and Development of Rennes; University of Rennes 1; Rennes France
2. Pediatric Onco-Immuno-Hematology; University Hospital of Caen; Caen France
3. Pediatric, Adolescent, Young Adult Department; Institut Curie; Paris France
4. Pediatric Onco-Hematology Follow-Up Care Department; Edouard Rist Medical and Educational Clinic; Paris France
5. Pediatric Onco-Hematology Department; Margency Children Hospital; Margency France