[1] CHU Caen, Hematol Lab, Caen, France
[2] INSERM, U1237, GIP Cyceron, Caen, France
[3] Normandie Univ, UNI CAEN, UFR Sante, Caen, France
[4] Grp Hosp Cochin Broca, AP HP, Hotel Dieu, Serv Genet & Biol Mol, Site Cochin, Paris, France
[5] Univ Milan, Dept Pathophysiol & Transplantat, Milan, Italy
[6] Univ Paris Diderot, Sorbonne Univ, USPC, Ctr Rech Cordeliers,INSERM, Paris, France
[7] AP HP, Ctr Traitement Hemophilie, Le Kremlin Bicetre, France
[8] Hop Necker Enfants Malad, AP HP, Ctr Traitement Hemophilie, Paris, France
[9] Cairo Univ, Pediat Hosp, Pediat Hematol Dept, Cairo, Egypt
[10] Cairo Univ, Ain Shams Ctr, Dept Pediat, Fac Med, Cairo, Egypt
[11] Jehangir Hosp Premises, Jehangir Clin Dev Ctr, Dept Hematol, Pune, Maharashtra, India
[12] Shahid Beheshti Univ Med Sci, Pediat Congenital Hematol Disorders Res Ctr, Tehran, Iran
[13] Univ Clin Bonn, Inst Expt Hematol & Transfus Med, Bonn, Germany
[14] Leiden Univ, Med Ctr, Dept Clin Epidemiol, Leiden, Netherlands