1. Centre de Physiopathologie de Toulouse Purpan, Inserm U1043, CNRS U5282, Université de Toulouse III; Toulouse France
2. San Raffaele Scientific Institute & Vita-Salute University; Milan Italy
3. Laboratory of Haematology; CHRU de Montpellier, Hôpital Saint Eloi; Montpellier France
4. Department of Pathology; Boston Children's Hospital and Harvard Medical School; Boston MA