Affiliation: | 1. CNRS, IGDR (Institut de Génétique et Développement de Rennes), Univ Rennes, UMR 6290, Rennes F-35000, France;2. Pediatric Hematology Department, University Hospital, Rennes, France;3. Pediatric Hematology and Oncology Department, University Hospital, Caen, France |